- L-glutamine
- L-Triiodothyroninesee Liothyronine
- Labetalol
- Labid?see Theophylline
- Lac-Hydrinsee Ammonium Lactate Topical
- Lacosamide
- Lacosamide Injection
- Lactic Acid, Citric Acid, and Potassium Bitartrate Vaginal Contraceptive
- Lactulose
- Ladakamycinsee Azacitidine Injection
- Lagevrio?see Molnupiravir
- Lamictal?see Lamotrigine
- Lamictal? CDsee Lamotrigine
- Lamictal? ODTsee Lamotrigine
- Lamictal? XRsee Lamotrigine
- Lamisil?see Terbinafine
- Lamivudine
- Lamivudine and Tenofovir
- Lamivudine and Zidovudine
- Lamotrigine
- Lampit?see Nifurtimox
- Lamzede?see Velmanase alfa
- Lanadelumab-flyo injection
- 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? Suspensionsee 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
- LCRsee Vincristine Lipid Complex Injection
- LCRsee Vincristine Injection
- Leader Adult Tussin?see Guaifenesin
- Leader Adult Tussin DM? (as a combination product containing Dextromethorphan, Guaifenesin)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
- Lecanemab-irmb Injection
- 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)
- Lenacapavir Injection
- Lenacapavir Oral
- Lenalidomide
- Leniolisib
- Lenvatinib
- Lenvima?see Lenvatinib
- Lepargylic acidsee Azelaic Acid Topical
- Leqembi?see Lecanemab-irmb Injection
- Leqvio?see Inclisiran injection
- Lescol?see Fluvastatin
- Lescol? XLsee 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 Acetatesee Leuprolide Injection
- Leurocristine Sulfatesee Vincristine Lipid Complex Injection
- Leurocristine Sulfatesee Vincristine 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)
- Levo-Dromoran?see Levorphanol
- Levo-T?see Levothyroxine
- Levobunolol Ophthalmic
- Levocetirizine
- Levodopa and Carbidopa
- Levodopa Oral Inhalation
- Levofloxacin
- Levofloxacin Injection
- Levoketoconazole
- Levoleucovorin Injection
- Levomilnacipran
- Levonorgestrel
- Levonorgestrel Intrauterine System
- Levora? (as a combination product containing Ethinyl Estradiol, Levonorgestrel)see Estrogen and Progestin (Oral Contraceptives)
- Levorphanol
- Levothroid?see Levothyroxine
- Levothyroxine
- Levoxyl?see Levothyroxine
- Levsin?see Hyoscyamine
- Levulan? Kerastick?see Aminolevulinic Acid Topical
- Lexapro?see Escitalopram
- Lexette?see Halobetasol Topical
- Lexiva?see Fosamprenavir
- Lexxel? (as a combination product containing Enalapril, Felodipine)see Enalapril
- Lexxel? (as a combination product containing Enalapril, Felodipine)see Felodipine
- Lialda?see Mesalamine
- Librax?see Chlordiazepoxide and Clidinium
- Librax? (as a combination product containing Clidinium, Chlordiazepoxide)see Chlordiazepoxide
- Librelease?see Chlordiazepoxide
- Libritabs?see Chlordiazepoxide
- Librium?see Chlordiazepoxide
- Libtayo?see Cemiplimab-rwlc Injection
- Licart ? Topical Systemsee Diclofenac Transdermal Patch
- Licide? (as a combination product containing Piperonyl Butoxide, Pyrethrin)see Pyrethrin and Piperonyl Butoxide Topical
- Licon?see Fluocinonide Topical
- Lidex?see Fluocinonide Topical
- Lidex-E?see Fluocinonide Topical
- Lidocaine Transdermal Patch
- Lidocaine Viscous
- Lidocare?see Lidocaine Transdermal Patch
- Lidoderm?see Lidocaine Transdermal Patch
- Lifitegrast Ophthalmic
- Liletta?see Levonorgestrel Intrauterine System
- Limbitrol? (as a combination product containing Amitriptyline, Chlordiazepoxide)see Chlordiazepoxide
- Limbitrol? (as a combination product containing Amitriptyline, Chlordiazepoxide)see Amitriptyline
- Linaclotide
- Linagliptin
- Lindane
- Linezolid
- Linezolid Injection
- Linzess?see Linaclotide
- Lioresal?see Baclofen
- Liothyronine
- Liotrix
- Lipancreatinsee Pancrelipase
- Lipidil?see Fenofibrate
- Lipitor?see Atorvastatin
- Lipo-Hepin?see Heparin Injection
- Lipofen?see Fenofibrate
- Liptruzet? (as a combination product containing Atorvastatin, Ezetimibe)see Atorvastatin
- Liptruzet? (as a combination product containing Atorvastatin, Ezetimibe)see Ezetimibe
- Liqrev?see Sildenafil
- LiquADD?see Dextroamphetamine
- Liquaemin?see Heparin Injection
- Liqufruta?see Guaifenesin
- Liquibid D-R? (as a combination product containing Guaifenesin, Phenylephrine)see Phenylephrine
- Liquibid PD-R? (as a combination product containing Guaifenesin, Phenylephrine)see Phenylephrine
- Liquicet? (as a combination product containing Acetaminophen, Hydrocodone)see Hydrocodone Combination Products
- Liquid Pedvax HIB?see Haemophilus influenzae type b (Hib) Vaccine
- Liraglutide Injection
- Lisdexamfetamine
- Lisinopril
- Lisinopril and Hydrochlorothiazide
- Lisocabtagene Maraleucel Injection
- Listerine?see Fluoride
- Lithium
- Lithobid?see Lithium
- Little Noses?see Phenylephrine Nasal Spray
- Little Remedies Little Colds Mucus Relief Expectorant Melt Aways?see Guaifenesin
- Livalo?see Pitavastatin
- Live Shingles (Zoster) Vaccine (ZVL)
- Livmarli?see Maralixibat
- Lixisenatide Injection
- Lo/Ovral? (as a combination product containing Ethinyl Estradiol, Norgestrel)see Estrogen and Progestin (Oral Contraceptives)
- Lo-Trol? (as a combination product containing Atropine, Diphenoxylate)see Diphenoxylate
- Locholest?see Cholestyramine Resin
- Locholest? Lightsee Cholestyramine Resin
- Locoid?see Hydrocortisone Topical
- Lodine?see Etodolac
- Lodine? XLsee Etodolac
- Lodoxamide Ophthalmic
- Lodrane? (as a combination product containing Brompheniramine, Pseudoephedrine)see Pseudoephedrine
- Lodrane? D (as a combination product containing Brompheniramine, Pseudoephedrine)see Brompheniramine
- Loestrin? (as a combination product containing Ethinyl Estradiol, Norethindrone)see Estrogen and Progestin (Oral Contraceptives)
- Loestrin? Fe (as a combination product containing Ethinyl Estradiol, Norethindrone)see Estrogen and Progestin (Oral Contraceptives)
- Lofexidine
- Logen? (as a combination product containing Atropine, Diphenoxylate)see Diphenoxylate
- LoHist? DM (as a combination product containing Brompheniramine, Dextromethorphan, Phenylephrine)see Brompheniramine
- LoHist? PEB (as a combination product containing Brompheniramine, Phenylephrine)see Brompheniramine
- LoHist? PEB DM (as a combination product containing Brompheniramine, Dextromethorphan, Phenylephrine)see Brompheniramine
- LoHist? PSB (as a combination product containing Brompheniramine, Pseudoephedrine)see Brompheniramine
- LoHist? PSB DM (as a combination product containing Brompheniramine, Dextromethorphan, Pseudoephedrine)see Brompheniramine
- LoHist-D? (as a combination product containing Chlorpheniramine, Pseudoephedrine)see Pseudoephedrine
- Lohist-DM? (as a combination product containing Brompheniramine, Dextromethorphan, Phenylephrine)see Phenylephrine
- LoHist-PD? (as a combination product containing Brompheniramine, Pseudoephedrine)see Pseudoephedrine
- LoHist-PEB? (as a combination product containing Brompheniramine, Phenylephrine)see Phenylephrine
- LoHist-PEB-DM? (as a combination product containing Brompheniramine, Dextromethorphan, Phenylephrine)see Phenylephrine
- LoHist-PSB? (as a combination product containing Brompheniramine, Pseudoephedrine)see Pseudoephedrine
- LoHist-PSB-DM? (as a combination product containing Brompheniramine, Dextromethorphan, Pseudoephedrine)see Pseudoephedrine
- Lokelma?see Sodium Zirconium Cyclosilicate
- Lomanate? (as a combination product containing Atropine, Diphenoxylate)see Diphenoxylate
- Lomitapide
- Lomotil? (as a combination product containing Atropine, Diphenoxylate)see Diphenoxylate
- Lomustine
- Lonafarnib
- Lonapegsomatropin-tcgd injection
- Loncastuximab Tesirine-lpyl Injection
- Lonhala Magnair?see Glycopyrrolate Oral Inhalation
- Loniten?see Minoxidil
- Lonox? (as a combination product containing Atropine, Diphenoxylate)see Diphenoxylate
- Lonsurf?see Trifluridine and Tipiracil
- Loperamide
- Lopid?see Gemfibrozil
- Lopinavir and Ritonavir
- Lopressidone? (as a combination product containing Chlorthalidone, Metoprolol)see Chlorthalidone
- Lopressidone? (as a combination product containing Chlorthalidone, Metoprolol)see Metoprolol
- Lopressor?see Metoprolol
- Lopressor? HCT (as a combination product containing Metoprolol, Hydrochlorothiazide)see Hydrochlorothiazide
- Lopressor? HCT (as a combination product containing Metoprolol, Hydrochlorothiazide)see Metoprolol
- Lopurin?see Allopurinol
- Loratadine
- Lorazepam
- Lorazepam Intensol?see Lorazepam
- Lorbrena?see Lorlatinib
- Lorcaserin
- Lorcet? (as a combination product containing Acetaminophen, Hydrocodone)see Hydrocodone Combination Products
- Lorcet Plus? (as a combination product containing Acetaminophen, Hydrocodone)see Hydrocodone Combination Products
- Loreev XR?see Lorazepam
- Lorlatinib
- Loroxide?see Benzoyl Peroxide Topical
- Lortab? (as a combination product containing Acetaminophen, Hydrocodone)see Hydrocodone Combination Products
- Lortab? ASA (as a combination product containing Aspirin, Hydrocodone)see Aspirin
- Lortuss DM? (as a combination product containing Dextromethorphan, Doxylamine, Pseudoephedrine)see Pseudoephedrine
- Lortuss EX? (as a combination product containing Codeine, Guaifenesin, Pseudoephedrine)see Pseudoephedrine
- Lortuss HC? (as a combination product containing Hydrocodone, Phenylephrine)see Hydrocodone Combination Products
- Lortuss HC? (as a combination product containing Hydrocodone, Phenylephrine)see Phenylephrine
- Lortuss LQ? (as a combination product containing Doxylamine, Pseudoephedrine)see Pseudoephedrine
- Loryna? (as a combination product containing Drospirenone, Ethinyl Estradiol)see Estrogen and Progestin (Oral Contraceptives)
- Losartan
- LoSeasonique? (as a combination product containing Ethinyl Estradiol, Levonorgestrel)see Estrogen and Progestin (Oral Contraceptives)
- LoSo? Prep? Kit (as a combination product containing Bisacodyl, Bisacodyl Rectal, Magnesium Citrate)see Bisacodyl Rectal
- Losospan? Plus (as a combination product containing Magaldrate, Simethicone)see Simethicone
- Lotemax?see Loteprednol Ophthalmic
- Lotemax? SMsee Loteprednol Ophthalmic
- Lotensin?see Benazepril
- Lotensin? HCT see Benazepril and Hydrochlorothiazide
- Loteprednol Ophthalmic
- Lotrel? (see Amlodipine and Benazepril
- Lotrel? (as a combination product containing Benazepril, Amlodipine)see Benazepril
- Lotrimin? AF Athlete's Foot Creamsee Clotrimazole Topical
- Lotrimin? AF Athlete's Foot Powdersee Miconazole Topical
- Lotrimin? AF Athlete's Foot Spray Deodorant Powdersee Miconazole Topical
- Lotrimin? AF Athlete's Foot Spray Liquidsee Miconazole Topical
- Lotrimin? AF Athlete's Foot Spray Powdersee Miconazole Topical
- Lotrimin? AF Jock Itch Creamsee Clotrimazole Topical
- Lotrimin? AF Jock Itch Spray Powdersee Miconazole Topical
- Lotrimin? AF Ringworm Creamsee Clotrimazole Topical
- Lotrimin? Solutionsee Clotrimazole Topical
- Lotrisone? (as a combination product containing Betamethasone, Clotrimazole)see Betamethasone Topical
- Lotrisone? Cream (as a combination product containing Betamethasone, Clotrimazole)see Clotrimazole Topical
- Lotrisone? Lotion (as a combination product containing Betamethasone, Clotrimazole)see Clotrimazole Topical
- Lotronex?see Alosetron
- Lovastatin
- Lovaza? (formerly available as Omacor?)see Omega-3 Fatty Acids
- Lovenox?see Enoxaparin Injection
- Low Sodium Plus? (as a combination product containing Aluminum Hydroxide, Magnesium Hydroxide, Simethicone)see Simethicone
- Low-Ogestrel? (as a combination product containing Ethinyl Estradiol, Norgestrel)see Estrogen and Progestin (Oral Contraceptives)
- Low-Quel? (as a combination product containing Atropine, Diphenoxylate)see Diphenoxylate
- Lowsium Plus? (as a combination product containing Magaldrate, Simethicone)see Simethicone
- Loxapine
- Loxitane?see Loxapine
- Lozol?see Indapamide
- Lubiprostone
- Lucemyra?see Lofexidine
- Lucentis?see Ranibizumab Injection
- Ludent?see Fluoride
- Ludiomil?see Maprotiline
- Luliconazole Topical
- Lumacaftor and Ivacaftor
- Lumakras?see Sotorasib
- Lumateperone
- Lumigan?see Bimatoprost Ophthalmic
- Lumoxiti?see Moxetumomab Pasudotox-tdfk Injection
- Lumryz?see Sodium Oxybate
- Lunelle? (as a combination product containing Estradiol, Medroxyprogesterone)see Medroxyprogesterone Injection
- Lunesta?see Eszopiclone
- Lunsumio?see Mosunetuzumab-axgb Injection
- Lupaneta Pack? (as a combination product containing Leurprolide, Norethindrone)see Leuprolide Injection
- Lupkynis?see Voclosporin
- Lupron?see Leuprolide Injection
- Lupron Depot?see Leuprolide Injection
- Lupron Depot-PED?see Leuprolide Injection
- Lurasidone
- Lurbinectedin Injection
- Lusair? (as a combination product containing Guaifenesin, Phenylephrine)see Phenylephrine
- Lusair? (as a combination product containing Guaifenesin, Phenylephrine)see Guaifenesin
- Lusonal?see Phenylephrine
- Lusonex? (as a combination product containing Guaifenesin, Phenylephrine)see Phenylephrine
- Luspatercept-aamt Injection
- Lusutrombopag
- Lutera? (as a combination product containing Ethinyl Estradiol, Levonorgestrel)see Estrogen and Progestin (Oral Contraceptives)
- Lutetium Lu 177 Vipivotide Tetraxetan Injection
- Luvox?see Fluvoxamine
- Luvox? CRsee Fluvoxamine
- Luxiq?see Betamethasone Topical
- Luzu?see Luliconazole Topical
- LY-CoV1404, LY3853113see Bebtelovimab Injection
- Lybalvi?see Olanzapine and Samidorphan
- Lybrel? (as a combination product containing Ethinyl Estradiol, Levonorgestrel)see Estrogen and Progestin (Oral Contraceptives)
- Lygen?see Chlordiazepoxide
- Lynox? (as a combination product containing Acetaminophen, Oxycodone)see Oxycodone
- Lynparza?see Olaparib
- Lypqozet? (as a combination product containing Atorvastatin, Ezetimibe)see Ezetimibe
- Lyrica?see Pregabalin
- Lyrica CR?see Pregabalin
- Lysodren?see Mitotane
- Lysteda?see Tranexamic Acid
- Lytgobi?see Futibatinib
- Lyumjev?(insulin lispro-aabc)see Insulin Lispro Injection
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