What is "dimenhydrinate"

n. An over-the-counter drug used to prevent nausea and motion sickness.

n. antihistamine and antiemetic (trade name Dramamine) used to treat motion sickness [syn: Dramamine]

Dimenhydrinate (marketed as Dramamine, Gravol and many other brand names) is an over-the-counter antiemetic used for the treatment of the symptoms of motion sickness. It is most commonly prepared as tablets, although it is also available in liquid form and in suppositories. Dimenhydrinate is a combination of two drugs: diphenhydramine and 8-chlorotheophylline.