Name	Class	Category	OTC	FDA/IWN
Ketorolac Tromethamine	Analgesic / Pain Killer, Central Nervous System Agent, NSAID, Dermatological/Topical Agent, Ophthalmic Preparation	Allopathy	Prescription	FDA
Ketotifen	Dermatological/Topical Agent, Ophthalmic Preparation, Antihistamine	Allopathy	Prescription	FDA
L-Arginine HCl	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	OTC	FDA
L-Cysteine HCl	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
L-Histidine	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
L-Isoleucine	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
L-Leucine	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
L-Lysine HCl	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
L-Phenylalaline	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
L-Threonine		Allopathy	Prescription	FDA
L-Tryptophan	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
L-Valine	Nutritional Supplement, Amino Acid, Dietary Suppleement	Allopathy	Prescription	FDA
Labetalol Hydrochloride	Cardiovascular Agent, Antihypertensive, Beta-Adrenoceptor Blocker	Allopathy	Prescription	FDA
Lacidipine	Cardiovascular Agent, Antihypertensive, Calcium Channel Blocker	Allopathy	Prescription	FDA
Lacosamide	Central Nervous System Agent, Anticonvulsant / Antiepileptic Agent, Psychotherapeutic Agent	Allopathy	Prescription	FDA
Lactase	Gastrointestinal Agent, Digestive Enzyme	Allopathy	OTC	FDA
Lactitol	Gastrointestinal Agent, Laxatives	Allopathy	Prescription	FDA
Lactulose	Gastrointestinal Agent, Laxatives	Allopathy	Prescription	FDA
Lamivudine	Antiinfective Agent, Antiviral Agent, NRTI (Nucleoside Reverse Transcriptase Inhibitor)	Allopathy	Prescription	FDA
Lamivudine + Nevirapine + Zidovudine	Antiinfective Agent, Antiviral Agent, Antiviral Combination	Allopathy	Prescription	FDA