Azathioprine drug information

Why is this medication prescribed?
How should this medicine be used?
Other uses for this medicine
What special precautions should I follow?
What special dietary instructions should I follow?
What should I do if I forget a dose?
What side effects can this medication cause?
What should I know about STORAGE and DISPOSAL of this medication?
What should I do in case of OVERDOSE?
What OTHER INFORMATION should I know?
Drug interactions

IMPORTANT WARNING

Azathioprine may increase your risk of developing certain types of cancer, especially skin cancer and lymphoma (cancer that begins in the cells that fight infection). If you have had a kidney transplant, there may be a higher risk that you will develop cancer even if you do not take azathioprine. Tell your doctor if you have or have ever had cancer and if you are taking or have ever taken alkylating agents such as chlorambucil (Leukeran), cyclophosphamide (Cytoxan), or melphalan (Alkeran) for cancer. To decrease the risk that you will develop skin cancer, avoid prolonged or unnecessary exposure to sunlight and wear protective clothing, sunglasses, and sunscreen. Tell your doctor immediately if you notice any changes in your skin or any lumps or masses anywhere in your body.

Some teenage and young adult males who took azathioprine alone or with another medication called a tumor necrosis factor (TNF) blocker to treat Crohn's disease (a condition in which the body attacks the lining of the digestive tract causing pain, diarrhea, weight loss, and fever) or ulcerative colitis (a condition which causes swelling and sores in the lining of the colon [large intestine] and rectum) developed hepatosplenic T-cell lymphoma (HSTCL). HSTCL is a very serious type of cancer that often causes death within a short period of time. Azathioprine has not been approved by the Food and Drug Administration (FDA) for the treatment of Crohn's disease or ulcerative colitis, but doctors may sometimes prescribe azathioprine to treat these conditions. If you develop any of these symptoms during your treatment, call your doctor immediately: stomach pain; fever; unexplained weight loss; night sweats or easy bruising or bleeding.

Azathioprine can cause a decrease in the number of blood cells in your bone marrow, which may cause serious or life-threatening infections. The risk that the number of blood cells that you have will decrease is highest if you have a genetic (inherited) risk factor. Your doctor may order a test before or during your treatment to see if you have this risk factor. Taking certain medications may also increase the risk that your blood cells will decrease, so tell your doctor if you are taking any of the following: angiotensin converting enzyme (ACE) inhibitors such as benazepril (Lotensin), captopril, enalapril (Vasotec), fosinopril, lisinopril (Prinivil, Zestril), moexipril (Univasc), perindopril (Aceon), quinapril (Accupril), Ramipril (Altace), or trandolapril (Mavik); trimethoprim and sulfamethoxazole (Bactrim, Septra); and ribavirin (Copegus, Rebetol, Virazole). If you experience any of the following symptoms, call your doctor immediately: unusual bleeding or bruising; excessive tiredness; pale skin; headache; confusion; dizziness; fast heartbeat; difficulty sleeping; weakness; shortness of breath; and sore throat, fever, chills, and other signs of infection. Your doctor will order tests before, during, and after your treatment to see if your blood cells are affected by this medication.

Talk to your doctor about the risks of taking this medication.

Why is this medication prescribed?

Azathioprine is used with other medications to prevent transplant rejection (attack of the transplanted organ by the immune system) in people who received kidney transplants. It is also used to treat severe rheumatoid arthritis (a condition in which the body attacks its own joints, causing pain, swelling, and loss of function) when other medications and treatments have not helped. Azathioprine is in a class of medications called immunosuppressants. It works by decreasing the activity of the body's immune system so it will not attack the transplanted organ or the joints.

How should this medicine be used?

Azathioprine comes as a tablet to take by mouth. It is usually taken once or twice a day after meals. Take azathioprine at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take azathioprine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

If you are taking azathioprine to treat rheumatoid arthritis, your doctor may start you on a low dose and gradually increase your dose after 6-8 weeks and then not more than once every 4 weeks. Your doctor may gradually decrease your dose when your condition is controlled. If you are taking azathioprine to prevent kidney transplant rejection, your doctor may start you on a high dose and decrease your dose gradually as your body adjusts to the transplant.

Azathioprine controls rheumatoid arthritis but does not cure it. It may take up to 12 weeks before you feel the full benefit of azathioprine. Azathioprine prevents transplant rejection only as long as you are taking the medication. Continue to take azathioprine even if you feel well. Do not stop taking azathioprine without talking to your doctor.

Other uses for this medicine

Azathioprine is also used to treat ulcerative colitis (a condition which causes swelling and sores in the lining of the colon [large intestine] and rectum) and Crohn's disease. Talk to your doctor about the possible risks of using this medication for your condition.

This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

What special precautions should I follow?

Before taking azathioprine,

tell your doctor and pharmacist if you are allergic to azathioprine, any other medications, or any of the ingredients in azathioprine tablets. Ask your doctor or pharmacist for a list of the ingredients.

tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention the medications mentioned in the IMPORTANT WARNING section and any of the following: allopurinol (Zyloprim); aminosalicylates such as mesalamine (Apriso, Asacol, Pentasa, others), olsalazine (Dipentum), and sulfasalazine (Azulfidine); and anticoagulants ('blood thinners') such as warfarin (Coumadin). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.

tell your doctor if you have any type of infection, or if you have or have ever had kidney disease.

tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. You should use birth control to be sure you or your partner will not become pregnant while you are taking this medication. Call your doctor if you or your partner become pregnant while you are taking azathioprine. Azathioprine may harm the fetus.

if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking azathioprine.

do not have any vaccinations during or after your treatment without talking to your doctor.

What special dietary instructions should I follow?

Unless your doctor tells you otherwise, continue your normal diet.

What should I do if I forget a dose?

Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.

What side effects can this medication cause?

Azathioprine may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- nausea
- vomiting
- diarrhea

Some side effects can be serious. If you experience any of the following symptoms or those listed in the IMPORTANT WARNING section, call your doctor immediately.
- rash
- fever
- weakness
- muscle pain
This medication may cause other side effects. Call your doctor if you have any unusual problems while you are taking azathioprine.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).

What should I know about STORAGE and DISPOSAL of this medication?

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).

Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them. However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community. See the FDA's Safe Disposal of Medicines website (http://goo.gl/c4Rm4p) for more information if you do not have access to a take-back program.

It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location – one that is up and away and out of their sight and reach. http://www.upandaway.org

What should I do in case of OVERDOSE?

In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at https://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.

Symptoms of overdose may include the following:

nausea
vomiting
diarrhea
sore throat, fever, chills, and other signs of infection

What OTHER INFORMATION should I know?

Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.

It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.

Drug interactions

Drug	Interaction
Moxifloxacin	Moxifloxacin The metabolism of Azathioprine can be decreased when combined with Moxifloxacin.
Insulin Glargine (rDNA origin) Injection	Insulin Glargine (rDNA origin) Injection The metabolism of Azathioprine can be increased when combined with Insulin glargine.
Leflunomide	Leflunomide The risk or severity of adverse effects can be increased when Leflunomide is combined with Azathioprine.
Nevirapine	Nevirapine The metabolism of Azathioprine can be decreased when combined with Nevirapine.
Aminophylline	Aminophylline The metabolism of Aminophylline can be decreased when combined with Azathioprine.
Anagrelide	Anagrelide The metabolism of Azathioprine can be decreased when combined with Anagrelide.
Cilostazol	Cilostazol The metabolism of Cilostazol can be decreased when combined with Azathioprine.
Clopidogrel	Clopidogrel The metabolism of Azathioprine can be decreased when combined with Clopidogrel.
Estrogen and Progestin (Oral Contraceptives)	Estrogen and Progestin (Oral Contraceptives) The metabolism of Azathioprine can be decreased when combined with Conjugated estrogens.
Fenofibrate	Fenofibrate Azathioprine may decrease the excretion rate of Fenofibrate which could result in a higher serum level.
Guanfacine	Guanfacine Azathioprine may decrease the excretion rate of Guanfacine which could result in a higher serum level.
Magnesium Hydroxide	Magnesium Hydroxide Azathioprine may decrease the excretion rate of Magnesium hydroxide which could result in a higher serum level.
Mycophenolate	Mycophenolate The risk or severity of adverse effects can be increased when Azathioprine is combined with Mycophenolic acid.
Olsalazine	Olsalazine Olsalazine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Potassium	Potassium Potassium may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Prednisone	Prednisone The risk or severity of adverse effects can be increased when Prednisone is combined with Azathioprine.
Ranitidine	Ranitidine The metabolism of Azathioprine can be decreased when combined with Ranitidine.
Reserpine	Reserpine Reserpine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Rizatriptan	Rizatriptan Rizatriptan may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Sumatriptan	Sumatriptan Sumatriptan may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Tacrolimus	Tacrolimus Tacrolimus may increase the immunosuppressive activities of Azathioprine.
Tizanidine	Tizanidine The metabolism of Azathioprine can be decreased when combined with Tizanidine.
Triamcinolone	Triamcinolone The risk or severity of adverse effects can be increased when Triamcinolone is combined with Azathioprine.
Zolmitriptan	Zolmitriptan The metabolism of Azathioprine can be decreased when combined with Zolmitriptan.
Ampicillin Injection	Ampicillin Injection Ampicillin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Doxycycline Injection	Doxycycline Injection Doxycycline may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Famotidine Injection	Famotidine Injection The metabolism of Azathioprine can be decreased when combined with Famotidine.
Fluconazole Injection	Fluconazole Injection Fluconazole may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Foscarnet Injection	Foscarnet Injection Foscarnet may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Hydromorphone Injection	Hydromorphone Injection Hydromorphone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Interferon Beta-1b Injection	Interferon Beta-1b Injection The risk or severity of adverse effects can be increased when Interferon beta-1b is combined with Azathioprine.
Interferon Gamma-1b Injection	Interferon Gamma-1b Injection The risk or severity of adverse effects can be increased when Interferon gamma-1b is combined with Azathioprine.
Levofloxacin Injection	Levofloxacin Injection The metabolism of Azathioprine can be decreased when combined with Levofloxacin.
Meperidine Injection	Meperidine Injection The metabolism of Azathioprine can be increased when combined with Meperidine.
Methylprednisolone Injection	Methylprednisolone Injection The risk or severity of adverse effects can be increased when Methylprednisolone is combined with Azathioprine.
Metoclopramide Injection	Metoclopramide Injection The metabolism of Metoclopramide can be decreased when combined with Azathioprine.
Pamidronate Injection	Pamidronate Injection Pamidronic acid may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Vancomycin Injection	Vancomycin Injection Azathioprine may decrease the excretion rate of Vancomycin which could result in a higher serum level.
Zidovudine Injection	Zidovudine Injection The risk or severity of adverse effects can be increased when Zidovudine is combined with Azathioprine.
Altretamine	Altretamine Amphetamine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefuroxime	Cefuroxime Cefuroxime may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cyclosporine	Cyclosporine Azathioprine may increase the immunosuppressive activities of Cyclosporine.
Ondansetron	Ondansetron The metabolism of Azathioprine can be decreased when combined with Ondansetron.
Torsemide	Torsemide Torasemide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Olanzapine	Olanzapine The metabolism of Azathioprine can be decreased when combined with Olanzapine.
Alosetron	Alosetron The metabolism of Azathioprine can be decreased when combined with Alosetron.
Hydroxychloroquine	Hydroxychloroquine The risk or severity of adverse effects can be increased when Azathioprine is combined with Hydroxychloroquine.
Meloxicam	Meloxicam Meloxicam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Pantoprazole	Pantoprazole Pantoprazole may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Temozolomide	Temozolomide The risk or severity of adverse effects can be increased when Temozolomide is combined with Azathioprine.
Zaleplon	Zaleplon Zaleplon may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Anakinra	Anakinra The metabolism of Azathioprine can be increased when combined with Anakinra.
Linezolid	Linezolid The risk or severity of adverse effects can be increased when Linezolid is combined with Azathioprine.
Etanercept Injection	Etanercept Injection The metabolism of Azathioprine can be increased when combined with Etanercept.
Modafinil	Modafinil The metabolism of Azathioprine can be increased when combined with Modafinil.
Perindopril	Perindopril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Perindopril is combined with Azathioprine.
Tenofovir	Tenofovir Tenofovir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Choline Magnesium Trisalicylate	Choline Magnesium Trisalicylate Choline magnesium trisalicylate may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Sirolimus	Sirolimus The risk or severity of adverse effects can be increased when Sirolimus is combined with Azathioprine.
Epirubicin	Epirubicin The risk or severity of adverse effects can be increased when Epirubicin is combined with Azathioprine.
Eplerenone	Eplerenone Eplerenone may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Zonisamide	Zonisamide Zonisamide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Adalimumab Injection	Adalimumab Injection The metabolism of Azathioprine can be increased when combined with Adalimumab.
Atomoxetine	Atomoxetine Atomoxetine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Glatiramer Injection	Glatiramer Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Glatiramer.
Atazanavir	Atazanavir Atazanavir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Almotriptan	Almotriptan Almotriptan may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Emtricitabine	Emtricitabine Emtricitabine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Interferon Beta-1a Subcutaneous Injection	Interferon Beta-1a Subcutaneous Injection The metabolism of Azathioprine can be decreased when combined with Interferon beta-1a.
Memantine	Memantine Azathioprine may decrease the excretion rate of Memantine which could result in a higher serum level.
Tegaserod	Tegaserod The metabolism of Azathioprine can be decreased when combined with Tegaserod.
Tadalafil	Tadalafil Tadalafil may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Frovatriptan	Frovatriptan The metabolism of Frovatriptan can be decreased when combined with Azathioprine.
Gemifloxacin	Gemifloxacin The metabolism of Azathioprine can be decreased when combined with Gemifloxacin.
Infliximab Injection	Infliximab Injection The metabolism of Azathioprine can be increased when combined with Infliximab.
Duloxetine	Duloxetine The metabolism of Azathioprine can be decreased when combined with Duloxetine.
Tinidazole	Tinidazole Tinidazole may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefditoren	Cefditoren Cefdinir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cinacalcet	Cinacalcet The metabolism of Cinacalcet can be decreased when combined with Azathioprine.
Natalizumab Injection	Natalizumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Natalizumab.
Cyanocobalamin Injection	Cyanocobalamin Injection Hydroxocobalamin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Erlotinib	Erlotinib The metabolism of Azathioprine can be decreased when combined with Erlotinib.
Eszopiclone	Eszopiclone Eszopiclone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Ganciclovir	Ganciclovir Azathioprine may decrease the excretion rate of Ganciclovir which could result in a higher serum level.
Ribavirin	Ribavirin The serum concentration of the active metabolites of Azathioprine can be increased when Azathioprine is used in combination with Ribavirin.
Valganciclovir	Valganciclovir Azathioprine may decrease the excretion rate of Valganciclovir which could result in a higher serum level.
Adefovir	Adefovir Adefovir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Dextroamphetamine	Dextroamphetamine Amphetamine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Entecavir	Entecavir The metabolism of Azathioprine can be decreased when combined with Entecavir.
Peginterferon Alfa-2a Injection	Peginterferon Alfa-2a Injection The risk or severity of adverse effects can be increased when Peginterferon alfa-2a is combined with Azathioprine.
Peginterferon Alfa-2b (PEG-Intron)	Peginterferon Alfa-2b (PEG-Intron) The serum concentration of Azathioprine can be increased when it is combined with Peginterferon alfa-2b.
Ramelteon	Ramelteon The metabolism of Azathioprine can be decreased when combined with Ramelteon.
Fentanyl	Fentanyl Fentanyl may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Pregabalin	Pregabalin Pregabalin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Deferasirox	Deferasirox The serum concentration of Azathioprine can be increased when it is combined with Deferasirox.
Phenylephrine	Phenylephrine The metabolism of Azathioprine can be increased when combined with Phenylephrine.
Ranolazine	Ranolazine Ranolazine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Abatacept Injection	Abatacept Injection The metabolism of Azathioprine can be increased when combined with Abatacept.
Rasagiline	Rasagiline The metabolism of Rasagiline can be decreased when combined with Azathioprine.
Imatinib	Imatinib The risk or severity of adverse effects can be increased when Imatinib is combined with Azathioprine.
Sitagliptin	Sitagliptin Azathioprine may decrease the excretion rate of Sitagliptin which could result in a higher serum level.
Varenicline	Varenicline Azathioprine may decrease the excretion rate of Varenicline which could result in a higher serum level.
Bevacizumab Injection	Bevacizumab Injection The risk or severity of adverse effects can be increased when Bevacizumab is combined with Azathioprine.
Albuterol	Albuterol Azathioprine may decrease the excretion rate of Salbutamol which could result in a higher serum level.
Paliperidone	Paliperidone Azathioprine may decrease the excretion rate of Paliperidone which could result in a higher serum level.
Bortezomib	Bortezomib The risk or severity of adverse effects can be increased when Bortezomib is combined with Azathioprine.
Clofarabine Injection	Clofarabine Injection The risk or severity of adverse effects can be increased when Clofarabine is combined with Azathioprine.
Hepatitis B Vaccine	Hepatitis B Vaccine The therapeutic efficacy of Hepatitis B Vaccine (Recombinant) can be decreased when used in combination with Azathioprine.
Influenza Vaccine, Inactivated or Recombinant	Influenza Vaccine, Inactivated or Recombinant The therapeutic efficacy of Corynebacterium diphtheriae toxoid antigen (formaldehyde inactivated) can be decreased when used in combination with Azathioprine.
Influenza Vaccine, Live Intranasal	Influenza Vaccine, Live Intranasal The risk or severity of infection can be increased when Typhoid Vaccine Live is combined with Azathioprine.
Live Shingles (Zoster) Vaccine (ZVL)	Live Shingles (Zoster) Vaccine (ZVL) The risk or severity of infection can be increased when Varicella Zoster Vaccine (Live/attenuated) is combined with Azathioprine.
Insulin Glulisine (rDNA origin) Injection	Insulin Glulisine (rDNA origin) Injection The metabolism of Azathioprine can be increased when combined with Insulin glulisine.
Lubiprostone	Lubiprostone Azathioprine may decrease the excretion rate of Lubiprostone which could result in a higher serum level.
Oxaliplatin Injection	Oxaliplatin Injection The risk or severity of adverse effects can be increased when Oxaliplatin is combined with Azathioprine.
Primaquine	Primaquine The metabolism of Azathioprine can be decreased when combined with Primaquine.
Rituximab Injection	Rituximab Injection The risk or severity of adverse effects can be increased when Rituximab is combined with Azathioprine.
Bismuth Subsalicylate	Bismuth Subsalicylate The metabolism of Azathioprine can be decreased when combined with Bismuth subsalicylate.
Pemetrexed Injection	Pemetrexed Injection The risk or severity of adverse effects can be increased when Pemetrexed is combined with Azathioprine.
Vorinostat	Vorinostat The risk or severity of adverse effects can be increased when Azathioprine is combined with Vorinostat.
Sorafenib	Sorafenib The risk or severity of adverse effects can be increased when Sorafenib is combined with Azathioprine.
Sunitinib	Sunitinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Sunitinib.
Levocetirizine	Levocetirizine Azathioprine may decrease the excretion rate of Levocetirizine which could result in a higher serum level.
Pegaptanib Injection	Pegaptanib Injection Azathioprine may decrease the excretion rate of Pegaptanib which could result in a higher serum level.
Dasatinib	Dasatinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Dasatinib.
Mexiletine	Mexiletine The metabolism of Azathioprine can be decreased when combined with Mexiletine.
Armodafinil	Armodafinil The metabolism of Azathioprine can be increased when combined with Armodafinil.
Azacitidine Injection	Azacitidine Injection The risk or severity of adverse effects can be increased when Azacitidine is combined with Azathioprine.
Temsirolimus	Temsirolimus The risk or severity of adverse effects can be increased when Azathioprine is combined with Temsirolimus.
Nelarabine Injection	Nelarabine Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Nelarabine.
Lenalidomide	Lenalidomide The risk or severity of adverse effects can be increased when Lenalidomide is combined with Azathioprine.
Nilotinib	Nilotinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Nilotinib.
Bexarotene	Bexarotene The risk or severity of adverse effects can be increased when Bexarotene is combined with Azathioprine.
Budesonide	Budesonide The risk or severity of adverse effects can be increased when Azathioprine is combined with Budesonide.
Chloramphenicol Injection	Chloramphenicol Injection The risk or severity of adverse effects can be increased when Chloramphenicol is combined with Azathioprine.
Decitabine Injection	Decitabine Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Decitabine.
Desmopressin	Desmopressin Desmopressin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Doripenem Injection	Doripenem Injection Azathioprine may decrease the excretion rate of Doripenem which could result in a higher serum level.
Arsenic Trioxide Injection	Arsenic Trioxide Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Arsenic trioxide.
Mitoxantrone Injection	Mitoxantrone Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Mitoxantrone.
Desvenlafaxine	Desvenlafaxine Azathioprine may decrease the excretion rate of Desvenlafaxine which could result in a higher serum level.
Cevimeline	Cevimeline Cevimeline may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Tretinoin	Tretinoin The risk or severity of adverse effects can be increased when Tretinoin is combined with Azathioprine.
Bendamustine Injection	Bendamustine Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Bendamustine.
Flecainide	Flecainide The metabolism of Flecainide can be decreased when combined with Azathioprine.
Certolizumab Injection	Certolizumab Injection The metabolism of Azathioprine can be increased when combined with Certolizumab pegol.
Ixabepilone Injection	Ixabepilone Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Ixabepilone.
Irinotecan Injection	Irinotecan Injection The risk or severity of adverse effects can be increased when Irinotecan is combined with Azathioprine.
Daptomycin Injection	Daptomycin Injection Daptomycin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Estramustine	Estramustine The risk or severity of adverse effects can be increased when Azathioprine is combined with Estramustine.
Praziquantel	Praziquantel The metabolism of Praziquantel can be decreased when combined with Azathioprine.
Methylnaltrexone Injection	Methylnaltrexone Injection Azathioprine may decrease the excretion rate of Methylnaltrexone which could result in a higher serum level.
Alemtuzumab Injection (Chronic Lymphocytic Leukemia)	Alemtuzumab Injection (Chronic Lymphocytic Leukemia) The risk or severity of adverse effects can be increased when Alemtuzumab is combined with Azathioprine.
Midazolam	Midazolam Midazolam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Dexrazoxane Injection	Dexrazoxane Injection The risk or severity of adverse effects can be increased when Dexrazoxane is combined with Azathioprine.
Eltrombopag	Eltrombopag The metabolism of Eltrombopag can be decreased when combined with Azathioprine.
Ibritumomab Injection	Ibritumomab Injection The risk or severity of adverse effects can be increased when Ibritumomab tiuxetan is combined with Azathioprine.
Milnacipran	Milnacipran Azathioprine may decrease the excretion rate of Milnacipran which could result in a higher serum level.
Plerixafor Injection	Plerixafor Injection Azathioprine may decrease the excretion rate of Plerixafor which could result in a higher serum level.
Febuxostat	Febuxostat The metabolism of Azathioprine can be decreased when combined with Febuxostat.
Fesoterodine	Fesoterodine Azathioprine may decrease the excretion rate of Fesoterodine which could result in a higher serum level.
Betaxolol	Betaxolol The metabolism of Azathioprine can be decreased when combined with Betaxolol.
Prasugrel	Prasugrel Azathioprine may decrease the excretion rate of Prasugrel which could result in a higher serum level.
Everolimus	Everolimus The risk or severity of adverse effects can be increased when Azathioprine is combined with Everolimus.
Tolvaptan (low blood sodium)	Tolvaptan (low blood sodium) Tolvaptan may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Pralatrexate Injection	Pralatrexate Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Pralatrexate.
Palonosetron Injection	Palonosetron Injection Palonosetron may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Saxagliptin	Saxagliptin Azathioprine may decrease the excretion rate of Saxagliptin which could result in a higher serum level.
Telavancin Injection	Telavancin Injection Azathioprine may decrease the excretion rate of Telavancin which could result in a higher serum level.
Topotecan	Topotecan The risk or severity of adverse effects can be increased when Azathioprine is combined with Topotecan.
Golimumab Injection	Golimumab Injection The metabolism of Azathioprine can be increased when combined with Golimumab.
Pazopanib	Pazopanib The risk or severity of adverse effects can be increased when Azathioprine is combined with Pazopanib.
Asenapine	Asenapine The metabolism of Asenapine can be decreased when combined with Azathioprine.
Albendazole	Albendazole The metabolism of Azathioprine can be decreased when combined with Albendazole.
Denosumab Injection	Denosumab Injection The risk or severity of adverse effects can be increased when Denosumab is combined with Azathioprine.
Tocilizumab Injection	Tocilizumab Injection The metabolism of Azathioprine can be increased when combined with Tocilizumab.
Dalfampridine	Dalfampridine Azathioprine may decrease the excretion rate of Dalfampridine which could result in a higher serum level.
Fingolimod	Fingolimod Azathioprine may increase the immunosuppressive activities of Fingolimod.
Eribulin Injection	Eribulin Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Eribulin.
Cabazitaxel Injection	Cabazitaxel Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Cabazitaxel.
Ceftaroline Injection	Ceftaroline Injection Ceftaroline fosamil may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Acetaminophen Injection	Acetaminophen Injection The metabolism of Azathioprine can be decreased when combined with Acetaminophen.
Ipilimumab Injection	Ipilimumab Injection Azathioprine may decrease the excretion rate of Ipilimumab which could result in a higher serum level.
Denileukin Diftitox Injection	Denileukin Diftitox Injection The risk or severity of adverse effects can be increased when Aldesleukin is combined with Azathioprine.
Sipuleucel-T Injection	Sipuleucel-T Injection The therapeutic efficacy of Sipuleucel-T can be decreased when used in combination with Azathioprine.
Terbutaline Injection	Terbutaline Injection Terbutaline may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Belimumab Injection	Belimumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Belimumab.
Busulfan Injection	Busulfan Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Busulfan.
Roflumilast	Roflumilast Roflumilast may increase the immunosuppressive activities of Azathioprine.
Cyclophosphamide Injection	Cyclophosphamide Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Cyclophosphamide.
Abiraterone	Abiraterone The serum concentration of Azathioprine can be increased when it is combined with Abiraterone.
Rivaroxaban	Rivaroxaban Azathioprine may decrease the excretion rate of Rivaroxaban which could result in a higher serum level.
Brentuximab Vedotin Injection	Brentuximab Vedotin Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Brentuximab vedotin.
Ruxolitinib	Ruxolitinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Ruxolitinib.
Clobazam	Clobazam Clobazam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Vemurafenib	Vemurafenib The serum concentration of Azathioprine can be increased when it is combined with Vemurafenib.
Belatacept Injection	Belatacept Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Belatacept.
Basiliximab Injection	Basiliximab Injection The risk or severity of adverse effects can be increased when Basiliximab is combined with Azathioprine.
Deferiprone	Deferiprone Azathioprine may decrease the excretion rate of Deferiprone which could result in a higher serum level.
Axitinib	Axitinib The metabolism of Axitinib can be decreased when combined with Azathioprine.
Melphalan Injection	Melphalan Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Melphalan.
Naloxone Injection	Naloxone Injection Azathioprine may decrease the excretion rate of Naloxone which could result in a higher serum level.
Eculizumab Injection	Eculizumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Eculizumab.
Fondaparinux Injection	Fondaparinux Injection Fondaparinux may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Carfilzomib Injection	Carfilzomib Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Carfilzomib.
Enzalutamide	Enzalutamide Azathioprine may decrease the excretion rate of Enzalutamide which could result in a higher serum level.
Mirabegron	Mirabegron Azathioprine may decrease the excretion rate of Mirabegron which could result in a higher serum level.
Bosutinib	Bosutinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Bosutinib.
Corticotropin, Repository Injection	Corticotropin, Repository Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Corticotropin.
Teriflunomide	Teriflunomide The serum concentration of Azathioprine can be decreased when it is combined with Teriflunomide.
Teduglutide Injection	Teduglutide Injection Azathioprine may decrease the excretion rate of Teduglutide which could result in a higher serum level.
Tofacitinib	Tofacitinib Azathioprine may increase the immunosuppressive activities of Tofacitinib.
Alogliptin	Alogliptin Azathioprine may decrease the excretion rate of Alogliptin which could result in a higher serum level.
Dimethyl Fumarate	Dimethyl Fumarate The risk or severity of adverse effects can be increased when Azathioprine is combined with Dimethyl fumarate.
Ponatinib	Ponatinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Ponatinib.
Pomalidomide	Pomalidomide The risk or severity of adverse effects can be increased when Azathioprine is combined with Pomalidomide.
Ado-trastuzumab Emtansine Injection	Ado-trastuzumab Emtansine Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Trastuzumab emtansine.
Canagliflozin	Canagliflozin Azathioprine may increase the excretion rate of Canagliflozin which could result in a lower serum level and potentially a reduction in efficacy.
Methazolamide	Methazolamide Methazolamide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Trametinib	Trametinib Azathioprine may decrease the excretion rate of Trametinib which could result in a higher serum level.
Levomilnacipran	Levomilnacipran Azathioprine may decrease the excretion rate of Levomilnacipran which could result in a higher serum level.
Ertapenem Injection	Ertapenem Injection Ertapenem may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Vortioxetine	Vortioxetine Azathioprine may decrease the excretion rate of Vortioxetine which could result in a higher serum level.
Perampanel	Perampanel The metabolism of Perampanel can be decreased when combined with Azathioprine.
Ibrutinib	Ibrutinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Ibrutinib.
Ketorolac Injection	Ketorolac Injection Ketorolac may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Obinutuzumab Injection	Obinutuzumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Obinutuzumab.
Simeprevir	Simeprevir The metabolism of Azathioprine can be decreased when combined with Simeprevir.
Sofosbuvir	Sofosbuvir Azathioprine may decrease the excretion rate of Sofosbuvir which could result in a higher serum level.
Dapagliflozin	Dapagliflozin The metabolism of Azathioprine can be decreased when combined with Dapagliflozin.
Apremilast	Apremilast The metabolism of Azathioprine can be increased when combined with Apremilast.
Droxidopa	Droxidopa Azathioprine may decrease the excretion rate of Droxidopa which could result in a higher serum level.
Siltuximab Injection	Siltuximab Injection The metabolism of Azathioprine can be increased when combined with Siltuximab.
Vedolizumab Injection	Vedolizumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Vedolizumab.
Belinostat Injection	Belinostat Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Belinostat.
Idelalisib	Idelalisib The risk or severity of adverse effects can be increased when Azathioprine is combined with Idelalisib.
Testosterone Injection	Testosterone Injection Testosterone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Edoxaban	Edoxaban Azathioprine may decrease the excretion rate of Edoxaban which could result in a higher serum level.
Peginterferon Beta-1a Injection	Peginterferon Beta-1a Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Peginterferon beta-1a.
Olaparib	Olaparib The risk or severity of adverse effects can be increased when Azathioprine is combined with Olaparib.
Blinatumomab Injection	Blinatumomab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Blinatumomab.
Methamphetamine	Methamphetamine Azathioprine may decrease the excretion rate of Metamfetamine which could result in a higher serum level.
Tasimelteon	Tasimelteon The metabolism of Tasimelteon can be decreased when combined with Azathioprine.
Pirfenidone	Pirfenidone The risk or severity of adverse effects can be increased when Azathioprine is combined with Pirfenidone.
Secukinumab Injection	Secukinumab Injection The metabolism of Azathioprine can be increased when combined with Secukinumab.
Palbociclib	Palbociclib The risk or severity of adverse effects can be increased when Azathioprine is combined with Palbociclib.
Insulin Human Inhalation	Insulin Human Inhalation The metabolism of Azathioprine can be increased when combined with Insulin human.
Lenvatinib	Lenvatinib The metabolism of Azathioprine can be decreased when combined with Lenvatinib.
Panobinostat	Panobinostat The risk or severity of adverse effects can be increased when Azathioprine is combined with Panobinostat.
Dinutuximab Injection	Dinutuximab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Dinutuximab.
Haloperidol Injection	Haloperidol Injection The metabolism of Azathioprine can be decreased when combined with Haloperidol.
Amiloride	Amiloride Amiloride may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Macitentan	Macitentan Azathioprine may decrease the excretion rate of Macitentan which could result in a higher serum level.
Prednisolone	Prednisolone The risk or severity of adverse effects can be increased when Prednisolone is combined with Azathioprine.
Penicillin G Procaine Injection	Penicillin G Procaine Injection Azathioprine may decrease the excretion rate of Procaine benzylpenicillin which could result in a higher serum level.
Insulin Degludec (rDNA Origin) Injection	Insulin Degludec (rDNA Origin) Injection The metabolism of Azathioprine can be increased when combined with Insulin degludec.
Mepolizumab Injection	Mepolizumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Mepolizumab.
Trabectedin Injection	Trabectedin Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Trabectedin.
Osimertinib	Osimertinib The serum concentration of Azathioprine can be decreased when it is combined with Osimertinib.
Ixazomib	Ixazomib Azathioprine may decrease the excretion rate of Ixazomib which could result in a higher serum level.
Lesinurad	Lesinurad Azathioprine may decrease the excretion rate of Lesinurad which could result in a higher serum level.
Amphotericin B Liposomal Injection	Amphotericin B Liposomal Injection Amphotericin B may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Dexamethasone Injection	Dexamethasone Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Dexamethasone.
Ixekizumab Injection	Ixekizumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Ixekizumab.
Brivaracetam Injection	Brivaracetam Injection Azathioprine may decrease the excretion rate of Brivaracetam which could result in a higher serum level.
Obeticholic Acid	Obeticholic Acid The metabolism of Azathioprine can be decreased when combined with Obeticholic acid.
Furosemide Injection	Furosemide Injection Furosemide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Rucaparib	Rucaparib The metabolism of Rucaparib can be decreased when combined with Azathioprine.
Lixisenatide Injection	Lixisenatide Injection Azathioprine may decrease the excretion rate of Lixisenatide which could result in a higher serum level.
Brodalumab Injection	Brodalumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Brodalumab.
Doxepin (Insomnia)	Doxepin (Insomnia) The metabolism of Doxepin can be decreased when combined with Azathioprine.
Deutetrabenazine	Deutetrabenazine Azathioprine may decrease the excretion rate of Deutetrabenazine which could result in a higher serum level.
Valbenazine	Valbenazine Azathioprine may decrease the excretion rate of Valbenazine which could result in a higher serum level.
Deflazacort	Deflazacort The risk or severity of adverse effects can be increased when Azathioprine is combined with Deflazacort.
Safinamide	Safinamide The metabolism of Azathioprine can be decreased when combined with Safinamide.
Ocrelizumab Injection	Ocrelizumab Injection Ocrelizumab may increase the immunosuppressive activities of Azathioprine.
Naldemedine	Naldemedine Azathioprine may decrease the excretion rate of Naldemedine which could result in a higher serum level.
Sarilumab Injection	Sarilumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Sarilumab.
Midostaurin	Midostaurin The metabolism of Azathioprine can be decreased when combined with Midostaurin.
Guselkumab Injection	Guselkumab Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Guselkumab.
Enasidenib	Enasidenib The metabolism of Azathioprine can be decreased when combined with Enasidenib.
Benznidazole	Benznidazole Azathioprine may decrease the excretion rate of Benznidazole which could result in a higher serum level.
Delafloxacin	Delafloxacin Azathioprine may decrease the excretion rate of Delafloxacin which could result in a higher serum level.
Gemtuzumab Ozogamicin Injection	Gemtuzumab Ozogamicin Injection The risk or severity of adverse effects can be increased when Gemtuzumab ozogamicin is combined with Azathioprine.
Ertugliflozin	Ertugliflozin Ertugliflozin may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Apalutamide	Apalutamide Azathioprine may decrease the excretion rate of Apalutamide which could result in a higher serum level.
Penicillamine	Penicillamine The risk or severity of adverse effects can be increased when Penicillamine is combined with Azathioprine.
Baricitinib	Baricitinib The risk or severity of adverse effects can be increased when Azathioprine is combined with Baricitinib.
Lofexidine	Lofexidine The metabolism of Lofexidine can be decreased when combined with Azathioprine.
Plazomicin Injection	Plazomicin Injection Azathioprine may decrease the excretion rate of Plazomicin which could result in a higher serum level.
Binimetinib	Binimetinib The metabolism of Binimetinib can be decreased when combined with Azathioprine.
Cannabidiol	Cannabidiol The metabolism of Azathioprine can be decreased when combined with Cannabidiol.
Stiripentol	Stiripentol The metabolism of Azathioprine can be decreased when combined with Stiripentol.
Paclitaxel (with albumin) Injection	Paclitaxel (with albumin) Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Paclitaxel.
Rifamycin	Rifamycin The metabolism of Azathioprine can be decreased when combined with Rifamycin.
Prucalopride	Prucalopride Azathioprine may decrease the excretion rate of Prucalopride which could result in a higher serum level.
Ravulizumab-cwvz Injection	Ravulizumab-cwvz Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Ravulizumab.
Emapalumab-lzsg Injection	Emapalumab-lzsg Injection The metabolism of Azathioprine can be increased when combined with Emapalumab.
Siponimod	Siponimod The risk or severity of adverse effects can be increased when Azathioprine is combined with Siponimod.
Acyclovir Ophthalmic	Acyclovir Ophthalmic Acyclovir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Risankizumab-rzaa Injection	Risankizumab-rzaa Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Risankizumab.
Cladribine	Cladribine The risk or severity of adverse effects can be increased when Cladribine is combined with Azathioprine.
Solriamfetol	Solriamfetol Azathioprine may decrease the excretion rate of Solriamfetol which could result in a higher serum level.
Triclabendazole	Triclabendazole The metabolism of Azathioprine can be decreased when combined with Triclabendazole.
Istradefylline	Istradefylline The metabolism of Istradefylline can be decreased when combined with Azathioprine.
Pitolisant	Pitolisant The metabolism of Pitolisant can be increased when combined with Azathioprine.
Fosphenytoin Injection	Fosphenytoin Injection The metabolism of Azathioprine can be increased when combined with Fosphenytoin.
Ozanimod	Ozanimod The risk or severity of adverse effects can be increased when Azathioprine is combined with Ozanimod.
Selumetinib	Selumetinib The metabolism of Selumetinib can be decreased when combined with Azathioprine.
Capmatinib	Capmatinib The metabolism of Azathioprine can be decreased when combined with Capmatinib.
Satralizumab-mwge Injection	Satralizumab-mwge Injection The serum concentration of Azathioprine can be decreased when it is combined with Satralizumab.
Progestin-Only (drospirenone) Oral Contraceptives	Progestin-Only (drospirenone) Oral Contraceptives Drospirenone may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Viloxazine	Viloxazine Azathioprine may decrease the excretion rate of Viloxazine which could result in a higher serum level.
Tobramycin Injection	Tobramycin Injection Tobramycin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Theophylline	Theophylline The metabolism of Azathioprine can be decreased when combined with Theophylline.
Fenoprofen	Fenoprofen Fenoprofen may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Indomethacin	Indomethacin The risk or severity of adverse effects can be increased when Indomethacin is combined with Azathioprine.
Mefenamic Acid	Mefenamic Acid Mefenamic acid may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Naproxen	Naproxen Naproxen may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Tolmetin	Tolmetin Tolmetin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Sulindac	Sulindac Sulindac may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Isotretinoin	Isotretinoin Isotretinoin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Sucralfate	Sucralfate Sucralfate may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Hydroxyurea	Hydroxyurea The risk or severity of adverse effects can be increased when Azathioprine is combined with Hydroxyurea.
Floxuridine	Floxuridine The risk or severity of adverse effects can be increased when Floxuridine is combined with Azathioprine.
Metaxalone	Metaxalone Metaxalone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Methotrexate Injection	Methotrexate Injection The serum concentration of Azathioprine can be increased when it is combined with Methotrexate.
Primidone	Primidone The metabolism of Azathioprine can be increased when combined with Primidone.
Chlorpromazine	Chlorpromazine The metabolism of Azathioprine can be decreased when combined with Chlorpromazine.
Diazepam	Diazepam Diazepam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Oxazepam	Oxazepam Oxazepam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Flurazepam	Flurazepam Flurazepam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Clorazepate	Clorazepate Clorazepic acid may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Lorazepam	Lorazepam Lorazepam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Carmustine	Carmustine The risk or severity of adverse effects can be increased when Carmustine is combined with Azathioprine.
Amantadine	Amantadine Amantadine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Codeine	Codeine Codeine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Tranylcypromine	Tranylcypromine The metabolism of Azathioprine can be decreased when combined with Tranylcypromine.
Phenelzine	Phenelzine Phenelzine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Procarbazine	Procarbazine The risk or severity of adverse effects can be increased when Azathioprine is combined with Procarbazine.
Tetracycline	Tetracycline Tetracycline may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Thioguanine	Thioguanine The risk or severity of adverse effects can be increased when Tioguanine is combined with Azathioprine.
Trifluoperazine	Trifluoperazine The metabolism of Azathioprine can be decreased when combined with Trifluoperazine.
Bleomycin	Bleomycin The risk or severity of adverse effects can be increased when Bleomycin is combined with Azathioprine.
Sulfadiazine	Sulfadiazine Sulfadiazine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Methadone	Methadone Methadone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Benztropine	Benztropine Benzatropine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Maprotiline	Maprotiline The metabolism of Azathioprine can be decreased when combined with Maprotiline.
Ibuprofen	Ibuprofen Ibuprofen may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Orphenadrine	Orphenadrine The metabolism of Azathioprine can be decreased when combined with Orphenadrine.
Perphenazine	Perphenazine The metabolism of Azathioprine can be decreased when combined with Perphenazine.
Methylphenidate	Methylphenidate Methylphenidate may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Sulfasalazine	Sulfasalazine The risk or severity of adverse effects can be increased when Sulfasalazine is combined with Azathioprine.
Lomustine	Lomustine The risk or severity of adverse effects can be increased when Azathioprine is combined with Lomustine.
Doxorubicin	Doxorubicin The risk or severity of adverse effects can be increased when Azathioprine is combined with Doxorubicin.
Cytarabine	Cytarabine The risk or severity of adverse effects can be increased when Cytarabine is combined with Azathioprine.
Mechlorethamine	Mechlorethamine The risk or severity of adverse effects can be increased when Mechlorethamine is combined with Azathioprine.
Dactinomycin	Dactinomycin The risk or severity of adverse effects can be increased when Dactinomycin is combined with Azathioprine.
Phenazopyridine	Phenazopyridine Phenazopyridine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Carbamazepine	Carbamazepine The risk or severity of adverse effects can be increased when Carbamazepine is combined with Azathioprine.
Methyldopa	Methyldopa Methyldopa may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Clonidine	Clonidine The metabolism of Azathioprine can be decreased when combined with Clonidine.
Hydralazine	Hydralazine Azathioprine may decrease the excretion rate of Hydralazine which could result in a higher serum level.
Cimetidine	Cimetidine Cimetidine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Gentamicin Injection	Gentamicin Injection Gentamicin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Warfarin	Warfarin The therapeutic efficacy of Warfarin can be decreased when used in combination with Azathioprine.
Clonazepam	Clonazepam Azathioprine may decrease the excretion rate of Clonazepam which could result in a higher serum level.
Promethazine	Promethazine Azathioprine may decrease the excretion rate of Promethazine which could result in a higher serum level.
Meclofenamate	Meclofenamate Meclofenamic acid may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Daunorubicin	Daunorubicin The risk or severity of adverse effects can be increased when Daunorubicin is combined with Azathioprine.
Nitrofurantoin	Nitrofurantoin Nitrofurantoin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Griseofulvin	Griseofulvin The metabolism of Azathioprine can be increased when combined with Griseofulvin.
Digoxin	Digoxin Azathioprine may decrease the excretion rate of Digoxin which could result in a higher serum level.
Chloroquine	Chloroquine Chloroquine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Quinine	Quinine The metabolism of Azathioprine can be decreased when combined with Quinine.
Triamterene	Triamterene The metabolism of Azathioprine can be decreased when combined with Triamterene.
Chlorothiazide	Chlorothiazide Chlorothiazide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Chlorthalidone	Chlorthalidone Chlorthalidone may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Metolazone	Metolazone Metolazone may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Isosorbide	Isosorbide Isosorbide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Secobarbital	Secobarbital The metabolism of Azathioprine can be increased when combined with Secobarbital.
Desipramine	Desipramine Azathioprine may decrease the excretion rate of Desipramine which could result in a higher serum level.
Amitriptyline	Amitriptyline The metabolism of Azathioprine can be decreased when combined with Amitriptyline.
Imipramine	Imipramine The metabolism of Azathioprine can be decreased when combined with Imipramine.
Probenecid	Probenecid Azathioprine may decrease the excretion rate of Probenecid which could result in a higher serum level.
Quinidine	Quinidine The metabolism of Azathioprine can be decreased when combined with Quinidine.
Procainamide	Procainamide Azathioprine may decrease the excretion rate of Procainamide which could result in a higher serum level.
Isoniazid	Isoniazid The metabolism of Azathioprine can be decreased when combined with Isoniazid.
Pyrazinamide	Pyrazinamide Pyrazinamide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Rifampin	Rifampin The metabolism of Azathioprine can be increased when combined with Rifampicin.
Disopyramide	Disopyramide The metabolism of Azathioprine can be decreased when combined with Disopyramide.
Valproic Acid	Valproic Acid The metabolism of Azathioprine can be decreased when combined with Valproic acid.
Tamoxifen	Tamoxifen The metabolism of Azathioprine can be decreased when combined with Tamoxifen.
Mitomycin	Mitomycin The risk or severity of adverse effects can be increased when Mitomycin is combined with Azathioprine.
Butabarbital	Butabarbital Butabarbital may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Liothyronine	Liothyronine Liothyronine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Methimazole	Methimazole The risk or severity of adverse effects can be increased when Methimazole is combined with Azathioprine.
Propylthiouracil	Propylthiouracil The risk or severity of adverse effects can be increased when Propylthiouracil is combined with Azathioprine.
Chlorpropamide	Chlorpropamide Chlorpropamide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Tolbutamide	Tolbutamide Azathioprine may decrease the excretion rate of Tolbutamide which could result in a higher serum level.
Tolazamide	Tolazamide Tolazamide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cyclobenzaprine	Cyclobenzaprine The metabolism of Azathioprine can be decreased when combined with Cyclobenzaprine.
Baclofen	Baclofen Baclofen may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Ethambutol	Ethambutol Ethambutol may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Methyclothiazide	Methyclothiazide Methyclothiazide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Hydrochlorothiazide	Hydrochlorothiazide Hydrochlorothiazide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Chlorzoxazone	Chlorzoxazone The metabolism of Azathioprine can be decreased when combined with Chlorzoxazone.
Pyridoxine	Pyridoxine Pyridoxine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Folic Acid	Folic Acid Folic acid may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Propranolol (Cardiovascular)	Propranolol (Cardiovascular) The metabolism of Azathioprine can be decreased when combined with Propranolol.
Spironolactone	Spironolactone Spironolactone may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Amphotericin B Injection	Amphotericin B Injection Amphotericin B may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Mercaptopurine	Mercaptopurine The risk or severity of adverse effects can be increased when Azathioprine is combined with Mercaptopurine.
Phytonadione	Phytonadione Azathioprine may decrease the excretion rate of Phylloquinone which could result in a higher serum level.
Amikacin Injection	Amikacin Injection Amikacin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Nadolol	Nadolol Azathioprine may decrease the excretion rate of Nadolol which could result in a higher serum level.
Allopurinol	Allopurinol The serum concentration of Azathioprine can be increased when it is combined with Allopurinol.
Flavoxate	Flavoxate Azathioprine may decrease the excretion rate of Flavoxate which could result in a higher serum level.
Fluorouracil Injection	Fluorouracil Injection The risk or severity of adverse effects can be increased when Fluorouracil is combined with Azathioprine.
Colchicine	Colchicine The risk or severity of adverse effects can be increased when Azathioprine is combined with Colchicine.
Cefaclor	Cefaclor Cefaclor may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefadroxil	Cefadroxil Cefadroxil may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefazolin Injection	Cefazolin Injection Cefazolin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cephalexin	Cephalexin Cephalexin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefoxitin Injection	Cefoxitin Injection Cefoxitin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Dacarbazine	Dacarbazine The risk or severity of adverse effects can be increased when Dacarbazine is combined with Azathioprine.
Acetazolamide	Acetazolamide Acetazolamide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Cefotaxime Injection	Cefotaxime Injection Cefotaxime may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Calcitonin Salmon Injection	Calcitonin Salmon Injection Salmon calcitonin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Bacillus Calmette-Guerin (BCG) Vaccine	Bacillus Calmette-Guerin (BCG) Vaccine The risk or severity of infection can be increased when Bacillus calmette-guerin substrain tice live antigen is combined with Azathioprine.
Ketoconazole	Ketoconazole The metabolism of Azathioprine can be decreased when combined with Ketoconazole.
Pyrantel	Pyrantel Azathioprine may decrease the excretion rate of Pyrantel which could result in a higher serum level.
Thiotepa Injection	Thiotepa Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Thiotepa.
Vincristine Injection	Vincristine Injection The risk or severity of adverse effects can be increased when Vincristine is combined with Azathioprine.
Captopril	Captopril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Captopril is combined with Azathioprine.
Vinblastine	Vinblastine The risk or severity of adverse effects can be increased when Vinblastine is combined with Azathioprine.
Ethacrynic Acid	Ethacrynic Acid Etacrynic acid may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Colistimethate Injection	Colistimethate Injection Colistimethate may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Metoprolol	Metoprolol Metoprolol may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Thiothixene	Thiothixene The metabolism of Thiothixene can be decreased when combined with Azathioprine.
Aspirin	Aspirin Acetylsalicylic acid may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Salsalate	Salsalate Salsalate may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Chlorambucil	Chlorambucil The risk or severity of adverse effects can be increased when Chlorambucil is combined with Azathioprine.
Alprazolam	Alprazolam Alprazolam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Temazepam	Temazepam Temazepam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Triazolam	Triazolam Triazolam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Dicyclomine	Dicyclomine Dicyclomine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Propantheline	Propantheline Propantheline may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Trimethoprim	Trimethoprim Trimethoprim may increase the myelosuppressive activities of Azathioprine.
Nifedipine	Nifedipine The metabolism of Nifedipine can be decreased when combined with Azathioprine.
Timolol	Timolol Timolol may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Verapamil	Verapamil The metabolism of Azathioprine can be decreased when combined with Verapamil.
Pindolol	Pindolol Pindolol may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cisplatin Injection	Cisplatin Injection The risk or severity of adverse effects can be increased when Cisplatin is combined with Azathioprine.
Diflunisal	Diflunisal Diflunisal may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Piroxicam	Piroxicam Piroxicam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Bumetanide	Bumetanide Bumetanide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Streptozocin	Streptozocin The risk or severity of adverse effects can be increased when Streptozocin is combined with Azathioprine.
Etoposide	Etoposide The risk or severity of adverse effects can be increased when Etoposide is combined with Azathioprine.
Glipizide	Glipizide Azathioprine may decrease the excretion rate of Glipizide which could result in a higher serum level.
Indapamide	Indapamide Indapamide may increase the excretion rate of Azathioprine which could result in a lower serum level and potentially a reduction in efficacy.
Amoxicillin	Amoxicillin Azathioprine may decrease the excretion rate of Amoxicillin which could result in a higher serum level.
Nafcillin Injection	Nafcillin Injection The metabolism of Azathioprine can be increased when combined with Nafcillin.
Oxacillin Injection	Oxacillin Injection Oxacillin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Pentoxifylline	Pentoxifylline The metabolism of Azathioprine can be decreased when combined with Pentoxifylline.
Pentamidine Injection	Pentamidine Injection Pentamidine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Ceftriaxone Injection	Ceftriaxone Injection Ceftriaxone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Labetalol	Labetalol Labetalol may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Auranofin	Auranofin Azathioprine may decrease the excretion rate of Auranofin which could result in a higher serum level.
Leuprolide Injection	Leuprolide Injection Leuprolide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Gemfibrozil	Gemfibrozil The metabolism of Azathioprine can be decreased when combined with Gemfibrozil.
Guanabenz	Guanabenz The metabolism of Azathioprine can be decreased when combined with Guanabenz.
Dipivefrin Ophthalmic	Dipivefrin Ophthalmic Adefovir dipivoxil may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Ceftazidime Injection	Ceftazidime Injection Ceftazidime may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Ketoprofen	Ketoprofen Ketoprofen may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefotetan Injection	Cefotetan Injection Cefotetan may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Pimozide	Pimozide The metabolism of Pimozide can be decreased when combined with Azathioprine.
Enalapril	Enalapril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Enalapril is combined with Azathioprine.
Flurbiprofen	Flurbiprofen Flurbiprofen may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Amiodarone	Amiodarone The metabolism of Azathioprine can be decreased when combined with Amiodarone.
Aztreonam Injection	Aztreonam Injection Aztreonam may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Buspirone	Buspirone Buspirone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Ciprofloxacin	Ciprofloxacin The metabolism of Azathioprine can be decreased when combined with Ciprofloxacin.
Mesalamine	Mesalamine Mesalazine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Diclofenac	Diclofenac Diclofenac may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Fluoxetine	Fluoxetine The metabolism of Azathioprine can be decreased when combined with Fluoxetine.
Interferon Alfa-2b Injection	Interferon Alfa-2b Injection The risk or severity of adverse effects can be increased when Interferon alfa-2b is combined with Azathioprine.
Clozapine	Clozapine The metabolism of Azathioprine can be decreased when combined with Clozapine.
Estazolam	Estazolam Azathioprine may decrease the excretion rate of Estazolam which could result in a higher serum level.
Idarubicin	Idarubicin The risk or severity of adverse effects can be increased when Azathioprine is combined with Idarubicin.
Ofloxacin	Ofloxacin The metabolism of Azathioprine can be decreased when combined with Ofloxacin.
Didanosine	Didanosine Didanosine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Fludarabine Injection	Fludarabine Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Fludarabine.
Pentostatin Injection	Pentostatin Injection The risk or severity of adverse effects can be increased when Pentostatin is combined with Azathioprine.
Benazepril	Benazepril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Benazepril is combined with Azathioprine.
Etodolac	Etodolac Etodolac may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Fosinopril	Fosinopril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Fosinopril is combined with Azathioprine.
Nabumetone	Nabumetone Nabumetone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Quinapril	Quinapril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Quinapril is combined with Azathioprine.
Ramipril	Ramipril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Ramipril is combined with Azathioprine.
Teniposide Injection	Teniposide Injection The risk or severity of adverse effects can be increased when Teniposide is combined with Azathioprine.
Lisinopril	Lisinopril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Lisinopril is combined with Azathioprine.
Oxaprozin	Oxaprozin Oxaprozin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Bisoprolol	Bisoprolol Bisoprolol may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Zolpidem	Zolpidem The metabolism of Azathioprine can be decreased when combined with Zolpidem.
Isradipine	Isradipine Isradipine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Omeprazole	Omeprazole The metabolism of Azathioprine can be increased when combined with Omeprazole.
Venlafaxine	Venlafaxine Venlafaxine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Fluvoxamine	Fluvoxamine The metabolism of Azathioprine can be decreased when combined with Fluvoxamine.
Nefazodone	Nefazodone Azathioprine may decrease the excretion rate of Nefazodone which could result in a higher serum level.
Lamotrigine	Lamotrigine Lamotrigine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Valacyclovir	Valacyclovir Valaciclovir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Tramadol	Tramadol Tramadol may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Vinorelbine Injection	Vinorelbine Injection The risk or severity of adverse effects can be increased when Vinorelbine is combined with Azathioprine.
Carboplatin Injection	Carboplatin Injection The risk or severity of adverse effects can be increased when Carboplatin is combined with Azathioprine.
Moexipril	Moexipril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Moexipril is combined with Azathioprine.
Ifosfamide Injection	Ifosfamide Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Ifosfamide.
Pegaspargase Injection	Pegaspargase Injection The risk or severity of adverse effects can be increased when Pegaspargase is combined with Azathioprine.
Bupropion	Bupropion Azathioprine may decrease the excretion rate of Bupropion which could result in a higher serum level.
Ticlopidine	Ticlopidine The metabolism of Azathioprine can be decreased when combined with Ticlopidine.
Metformin	Metformin Metformin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Nisoldipine	Nisoldipine Nisoldipine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Lamivudine	Lamivudine Lamivudine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Riluzole	Riluzole The metabolism of Azathioprine can be decreased when combined with Riluzole.
Acarbose	Acarbose Acarbose may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Gemcitabine Injection	Gemcitabine Injection The risk or severity of adverse effects can be increased when Gemcitabine is combined with Azathioprine.
Ritonavir	Ritonavir The metabolism of Azathioprine can be increased when combined with Ritonavir.
Docetaxel Injection	Docetaxel Injection The risk or severity of adverse effects can be increased when Azathioprine is combined with Docetaxel.
Cidofovir Injection	Cidofovir Injection Cidofovir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Meropenem Injection	Meropenem Injection Meropenem may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Clomipramine	Clomipramine The metabolism of Clomipramine can be decreased when combined with Azathioprine.
Zafirlukast	Zafirlukast The metabolism of Azathioprine can be decreased when combined with Zafirlukast.
Fosfomycin	Fosfomycin Fosfomycin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Mirtazapine	Mirtazapine The metabolism of Azathioprine can be decreased when combined with Mirtazapine.
Trandolapril	Trandolapril The risk or severity of myelosuppression, anemia, and severe leukopenia can be increased when Trandolapril is combined with Azathioprine.
Topiramate	Topiramate Topiramate may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Zileuton	Zileuton The metabolism of Azathioprine can be decreased when combined with Zileuton.
Insulin Lispro Injection	Insulin Lispro Injection The metabolism of Azathioprine can be increased when combined with Insulin lispro.
Pramipexole	Pramipexole Pramipexole may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Carvedilol	Carvedilol The metabolism of Carvedilol can be decreased when combined with Azathioprine.
Nilutamide	Nilutamide Nilutamide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Flutamide	Flutamide The metabolism of Azathioprine can be decreased when combined with Flutamide.
Selegiline	Selegiline The metabolism of Azathioprine can be decreased when combined with Selegiline.
Propafenone	Propafenone The metabolism of Azathioprine can be decreased when combined with Propafenone.
Tamsulosin	Tamsulosin Tamsulosin may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Quetiapine	Quetiapine Azathioprine may decrease the excretion rate of Quetiapine which could result in a higher serum level.
Cefepime Injection	Cefepime Injection Cefepime may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefprozil	Cefprozil Cefprozil may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cefpodoxime	Cefpodoxime Cefpodoxime may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Cetirizine	Cetirizine Cetirizine may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Paroxetine	Paroxetine The metabolism of Azathioprine can be decreased when combined with Paroxetine.
Tolcapone	Tolcapone Tolcapone may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Citalopram	Citalopram The metabolism of Azathioprine can be decreased when combined with Citalopram.
Capecitabine	Capecitabine The risk or severity of adverse effects can be increased when Azathioprine is combined with Capecitabine.
Efavirenz	Efavirenz The metabolism of Azathioprine can be decreased when combined with Efavirenz.
Abacavir	Abacavir Azathioprine may decrease the excretion rate of Abacavir which could result in a higher serum level.
Trastuzumab Injection	Trastuzumab Injection Trastuzumab may increase the neutropenic activities of Azathioprine.
Celecoxib	Celecoxib Celecoxib may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Rosiglitazone	Rosiglitazone The metabolism of Azathioprine can be decreased when combined with Rosiglitazone.
Tolterodine	Tolterodine Azathioprine may decrease the excretion rate of Tolterodine which could result in a higher serum level.
Thalidomide	Thalidomide The risk or severity of adverse effects can be increased when Azathioprine is combined with Thalidomide.
Oseltamivir	Oseltamivir Oseltamivir may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Balsalazide	Balsalazide Balsalazide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Nateglinide	Nateglinide Nateglinide may decrease the excretion rate of Azathioprine which could result in a higher serum level.
Rabeprazole	Rabeprazole The metabolism of Rabeprazole can be increased when combined with Azathioprine.
Terbinafine	Terbinafine The metabolism of Azathioprine can be decreased when combined with Terbinafine.

Azathioprine

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