Diphenhydramine is a common antihistamine used by the general public to treat allergies. Generic Name: Diphenhydramine hydrochloride Brand Name: Benadryl Classification: Antihistamine, second generation, ethanolamine Uses: Treatment of hypersensitivity reactions Treatment of motion sickness Treatment of Parkinsonism Nighttime sleep aid Antitussive Actions: Has high sedative, anticholinergic and antiemetic effects Blocks the action of acetylcholine Blocks...