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Drugs: L
Learn about your prescription drugs and over-the-counter medicines. Includes side effects, dosage, special precautions, and more.
For FDA approved labels included in drug packages, see DailyMed.
- L-glutamine
- L-Triiodothyronine see Liothyronine
- Labetalol
- Labid® see Theophylline
- Lac-Hydrin see Ammonium Lactate Topical
- Lacosamide
- Lacosamide Injection
- Lactic Acid, Citric Acid, and Potassium Bitartrate Vaginal Contraceptive
- Lactulose
- Ladakamycin see Azacitidine Injection
- Lagevrio® see Molnupiravir
- Lamictal® see Lamotrigine
- Lamictal® CD see Lamotrigine
- Lamictal® ODT see Lamotrigine
- Lamictal® XR see Lamotrigine
- Lamisil® see Terbinafine
- Lamivudine
- Lamivudine and Tenofovir
- Lamivudine and Zidovudine
- Lamotrigine
- Lampit® see Nifurtimox
- Laniazid® see Isoniazid
- Laniroif® see Aspirin, Butalbital, and Caffeine
- Lanophyllin® see Theophylline
- Lanorinal® see Aspirin, Butalbital, and Caffeine
- Lanoxicaps® see Digoxin
- Lanoxin® see Digoxin
- Lanreotide Injection
- Lansoprazole
- Lansoprazole, Clarithromycin, and Amoxicillin
- Lanthanum
- Lantus® see Insulin Glargine (rDNA origin) Injection
- Lapatinib
- Lariam® see Mefloquine
- Larotid® Suspension see Amoxicillin
- Larotrectinib
- Lartruvo® see Olaratumab Injection
- Lartus® (as a combination product containing Dextromethorphan, Guaifenesin, Phelyephrine) see Phenylephrine
- Lasix® see Furosemide Injection
- Lasix® see Furosemide
- Lasmiditan
- Lastacaft® see Alcaftadine Ophthalmic
- Latanoprost Ophthalmic
- Latanoprostene Bunod Ophthalmic
- Latisse® see Bimatoprost Topical
- Latuda® see Lurasidone
- Lavoclen® see Benzoyl Peroxide Topical
- Laxilose® see Lactulose
- Lazanda® see Fentanyl Nasal Spray
- LCR see Vincristine Lipid Complex Injection
- LCR see Vincristine Injection
- Leader Adult Tussin DM® (as a combination product containing Dextromethorphan, Guaifenesin) see Guaifenesin
- Leader Adult Tussin® see Guaifenesin
- Leader Childrens Mucus Relief Cough® (as a combination product containing Dextromethorphan, Guaifenesin) see Guaifenesin
- Leader Intense Cough Reliever® (as a combination product containing Dextromethorphan, Guaifenesin) see Guaifenesin
- Leader Mucus Relief® see Guaifenesin
- Leader Tussin DM Max® (as a combination product containing Dextromethorphan, Guaifenesin) see Guaifenesin
- Ledercillin VK® see Penicillin V Potassium
- Ledipasvir and Sofosbuvir
- Leena® (as a combination product containing Ethinyl Estradiol, Norethindrone) see Estrogen and Progestin (Oral Contraceptives)
- Lefamulin
- Lefamulin Injection
- Leflunomide
- Legatrin PM® (as a combination product containing Acetaminophen, Diphenhydramine) see Diphenhydramine
- Lemborexant
- Lemtrada® see Alemtuzumab Injection (Multiple Sclerosis)
- Lenalidomide
- Lenvatinib
- Lenvima® see Lenvatinib
- Lepargylic acid see Azelaic Acid Topical
- Leqvio® see Inclisiran injection
- Lescol® see Fluvastatin
- Lescol® XL see Fluvastatin
- Lesinurad
- Lessina® (as a combination product containing Ethinyl Estradiol, Levonorgestrel) see Estrogen and Progestin (Oral Contraceptives)
- Letairis® see Ambrisentan
- Letermovir
- Letermovir Injection
- Letrozole
- Leucovorin
- Leucovorin Injection
- Leukeran® see Chlorambucil
- Leukine® see Sargramostim
- Leuprolide Injection
- Leuprorelin Acetate see Leuprolide Injection
- Leurocristine Sulfate see Vincristine Injection
- Leurocristine Sulfate see Vincristine Lipid Complex Injection
- Leustatin® see Cladribine Injection
- Levacet® (as a combination product containing Acetaminophen, Aspirin, Caffeine, Salicylamide) see Aspirin
- Levalbuterol Oral Inhalation
- Levall® (as a combination product containing Carbetapentane, Guaifenesin, Phenylephrine) see Phenylephrine
- Levaquin® see Levofloxacin
- Levaquin® I.V. see Levofloxacin Injection
- Levatol® see Penbutolol
- Levemir® see Insulin Detemir (rDNA Origin) Injection
- Levetiracetam
- Levetiracetam Injection
- Levitra® see Vardenafil
- Levlen® (as a combination product containing Ethinyl Estradiol, Levonorgestrel) see Estrogen and Progestin (Oral Contraceptives)
- Levlite® (as a combination product containing Ethinyl Estradiol, Levonorgestrel) see Estrogen and Progestin (Oral Contraceptives)
* This branded product is no longer on the market. Generic alternatives may be available.
** These products are not currently approved by the FDA for safety, effectiveness, and quality. Federal law generally requires that prescription drugs in the U.S. be shown to be both safe and effective prior to marketing. Please see the FDA website for more information on unapproved drugs (http://www.fda.gov/AboutFDA/Transparency/Basics/ucm213030.htm ) and the approval process (http://www.fda.gov/Drugs/ResourcesForYou/Consumers/ucm054420.htm ).