Dramamine

Dramamine is a medication used for motion sickness. It is available OTC (over the counter), without a prescription in many areas. The drug it contains is called dimenhydrinate, and it is nearly identical to diphenhydramine HCl. The only differnces are potency (50mg dimenhydrinate = 25mg diphenhydramine) and delay of action (dimenhydrinate must break down to diphenhydramine before it is active, therefore diphenhydramine produces effects sooner). Diphenhydramine is found in most OTC sleep aids and allergy preparations, such as benadryl. It is an anti-cholinergic drug, which accounts for its antihistamine properties.