Name	Class	Category	OTC	FDA/IWN
White Soft Paraffin	Dermatological/Topical Agent, Emollient	Allopathy	Prescription	FDA
Wool Alcohol	Dermatological/Topical Agent, Emollient	Allopathy	Prescription	FDA
Xylometazoline Hydrochloride	Dermatological/Topical Agent, Anti-histamine, Decongestant, Nasal Preparation	Allopathy	OTC	FDA
Zafirlukast	Respiratory Agent, Anti-asthmatic, Anti-allergic	Allopathy	Prescription	FDA
Zaleplone	Central Nervous System Agent, Psychotherapeutic Agent, Anxiolytic, Sedative and Hypnotic	Allopathy	Prescription	FDA
Zidovudine	Anti-infective Agent, Anti-viral Agent, NRTI	Allopathy	Prescription	FDA
Zinc	Electrolyte and Mineral, Nutritional Supplement	Allopathy	Prescription	FDA
Zinc Acetate	Electrolyte and Mineral, Nutritional Supplement	Allopathy	OTC	FDA
Zinc Oxide	Dermatological/Topical Agent	Allopathy	OTC	FDA
Zinc Sulphate	Electrolyte and Mineral, Nutritional Supplement	Allopathy	OTC	FDA
Zinc Sulphate Monohydrate	Electrolyte and Mineral, Nutritional Supplement	Allopathy	OTC	FDA
Ziprasidone	Central Nervous System Agent, Psychotherapeutic Agent, Antipshchotic, Atypical Antipsychotic	Allopathy	Prescription	FDA
Zoledronic Acid	Metabolic Agent, Biphosphonate, Bone Resorption Inhibitor	Allopathy	Prescription	FDA
Zolmitriptan	Analgesic, Central Nervous System Agent, Anti-migraine Agent	Allopathy	Prescription	FDA
Zolpidem Tartrate	Central Nervous System Agent, Sedative and Hypnotic, Anxiolytic	Allopathy	Prescription	FDA
Zopiclone	Central Nervous System Agent, Sedative and Hypnotic	Allopathy	Prescription	FDA