Generic Name:

Therapeutic Class:

Cold and Flu

Availability:

OTC

Common Brands:

Form:

Oral capsule|Oral tablet

DIPHENHYDRAMINE (dye fen HYE dra meen) is an antihistamine. It is used to treat the symptoms of an allergic reaction. It is also used to treat Parkinson''s disease. This medicine is also used to prevent and to treat motion sickness and as a nighttime sleep aid.