Drug Interactions Directory
2,618 drugs with documented interactions.
2,618Drugs
67,117Interactions
53,805Serious (major+)
PharmacistReviewed
1Look up a drugSearch by generic or brand name, or browse A-Z.
2Scan the severityInteractions are grouped and color-coded by how much they matter.
3Read the write-upPlain-English and clinical explanations, with cited evidence.
Popular:
Buprenorphine
633
Hydroxychloroquine
631
Ketoconazole Topical
546
Cyclosporine Injection
545
Cyclosporine Ophthalmic
545
Sertraline
532
Amitriptyline
525
Fentanyl Transdermal Patch
493
Your recent:
Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →
A
Amodiaquine
4
Amoxapine
78
Amoxicillin
68
Amphetamine
34
Amphotericin B
9
Amphotericin B Cholesteryl Sulfate Complex
3
Amphotericin B Injection
15
Amphotericin B Lipid Complex
3
Amphotericin B Liposome
4
Ampicillin
72
Ampicillin Injection
57
Amprenavir
79
Amtolmetin Guacil
87
Amygdalin
1
Amyl Nitrite
1
Amylase
2
Anagrelide
434
Anakinra
29
Anastrozole
16
Ancrod
3
Angelica
9
Anidulafungin
6
Anifrolumab-Fnia
10
Anifrolumab-Fnia Injection
38
Anileridine
26
Anise
16
Anisindione
43
Anisotropine
1
Anistreplase
18
Antazoline
1
Anthrax Vaccine Adsorbed
2
Anti-Inhibitor Coagulant Complex
2
Antithrombin Iii Human
3
Antithrombin, Recombinant
5
Antithymocyte Globulin Equine
1
Antithymocyte Globulin Rabbit
1
Apalutamide
162
Apazone
2
Apixaban
289
Apomorphine
73
Apraclonidine
2
Apraclonidine Hydrochloride
1
Apremilast
18
Aprepitant
71
Aprindine
15
Aprobarbital
9
Aranidipine
8
Arbutamine
4
Ardeparin
49
Arformoterol
2
Arformoterol Tartrate
1
Argatroban
56
Arimoclomol
3
Aripiprazole
86
Aripiprazole Injection
347
Aripiprazole Lauroxil
75
Armodafinil
29
Arnica
16
Arotinolol
5
Arsenic Trioxide
310
Arsenic Trioxide Injection
282
Artemether
180
Artesunate
1
Articaine
24
Asafetida
8
Asciminib
154
Ascorbic Acid
6
Ascorbic Acid (Vitamin C)
22
Asenapine
106
Asenapine Transdermal Patch
377
Asparaginase
3
Asparaginase Erwinia Chrysanthemi Injection
21
Aspirin
465
Aspirin Rectal
385
Astemizole
63
Astragalus
16
Asunaprevir
13
Ataluren
5
Atazanavir
179
Atenolol
202
Atevirdine
1
Atezolizumab
5
Atezolizumab Injection
21
Atidarsagene Autotemcel
14
Atogepant
157
Atomoxetine
13
Atomoxetine Hydrochloride
1
Atorvastatin
159
Atovaquone
19
Atracurium
16
Atrasentan
14
Atropine
13
Atropine Ophthalmic
64
Auranofin
61
Aurothioglucose
3
Autumn Crocus
2
Avacopan
107
Avanafil
113
Avapritinib
126
Avatrombopag
35
Avelumab Injection
15
Axicabtagene Ciloleucel Injection
15
Axitinib
115
Azacitidine
21
Azacitidine Injection
20
Azanidazole
5
Azatadine
1
Azathioprine
219
Azelastine
1
Azelastine Nasal Spray
8
Azelastine Ophthalmic
8
Azilsartan
120
Azilsartan Medoxomil
38
Azimilide
18
Azithromycin
299
Azlocillin
6
Azosemide
4
Aztreonam
2
Aztreonam Injection
10