Letter L - Most commonly used

Lactaid (Lactase)

Lactase

Lactulose
Lactulose is a type of sugar

Lamictal (Lamotrigine)
Lamotrigine is an anti-epileptic medication, also called an anticonvulsant

Lamisil (Terbinafine)
Terbinafine topical is an antifungal medication

Lamivudine
Lamivudine and zidovudine are antiviral medications

Lamotrigine

Lanacane (Benzocaine Topical)
Benzocaine is a local anesthetic (numbing medication)

Lanoxin (Digoxin)

Levonorgestrel
Levonorgestrel is a form of progesterone, which is a female hormone involved in conception

Levora (Ethinyl Estradiol Levonorgestrel)
Ethinyl estradiol and levonorgestrel contains a combination of female hormones that prevent ovulation (the release of an egg from an ovary)

Levothroid (Levothyroxine)
Levothyroxine is a replacement for a hormone that is normally produced by your thyroid gland to regulate the body's energy and metabolism

Levothyroxine

Levoxyl (Levothyroxine)

Levsin (Hyoscyamine)
Hyoscyamine produces many effects in the body, including relief from muscle spasms

Lexapro (Escitalopram)
Escitalopram is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors (SSRIs)

LGG (Dyphylline Guaifenesin)

Lialda (Mesalamine)
Mesalamine affects a substance in the body that causes inflammation, tissue damage, and diarrhea

Librax (Chlordiazepoxide Clidinium)
Chlordiazepoxide is in a group of drugs called benzodiazepines (ben-zoe-dye-AZE-eh-peens)

Librium (Chlordiazepoxide)

Licon (Fluocinonide Topical)
Fluocinonide is a topical (for the skin) steroid

Lidex (Fluocinonide Topical)
Fluocinonide is a topical (for the skin) steroid

Lidocaine

Lidoderm (Lidocaine Topical)

Lincocin (Lincomycin)
Lincomycin is an antibiotic that fights serious infections caused by bacteria

Loestrin 24 Fe (Ethinyl Estradiol Norethindrone)
Ethinyl estradiol and norethindrone contains a combination of female hormones that prevent ovulation (the release of an egg from an ovary)

Lomotil (Atropine Diphenoxylate)

Loperamide
Loperamide slows the rhythm of digestion so that the small intestines have more time to absorb fluid and nutrients from the foods you eat

Lopid (Gemfibrozil)
Gemfibrozil helps reduce cholesterol and triglycerides (fatty acids) in the blood

Lopressor (Metoprolol)
Metoprolol is in a group of drugs called beta-blockers

Loprox (Ciclopirox Topical)

Loratadine
Loratadine is an antihistamine that reduces the natural chemical histamine in the body

Lorazepam
Lorazepam is in a group of drugs called benzodiazepines (ben-zoe-dye-AZE-eh-peens)

Luvox (Fluvoxamine)
Fluvoxamine is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors (SSRIs)

Lybrel (Ethinyl Estradiol Levonorgestrel)
Ethinyl estradiol and levonorgestrel contains a combination of female hormones that prevent ovulation (the release of an egg from an ovary)

Lyrica (Pregabalin)
Pregabalin is an anti-epileptic drug, also called an anticonvulsant

Lysine
Lysine is an essential amino acid








Most commonly used L - Lac Lac - Lan Lan - Lav Lav - Lep Les - Lev Lev2 Lex - Lid Lid - Lip Lip - Liq Liq - Liv Liv - Loe Loe - Lor Lor - Lot Lot - Lta Lta - Lup Lur - Lyp Lyr - Lys