Dimenhydrinate (Dramamine, Gravol and Vertirosan) is an over-the-counter drug used to prevent motion sickness. It is closely related to diphenhydramine HCl, or Benadryl. It is primarily a H1-antagonist, but also possesses an antimuscarinic effect.


Dimenhydrinate
| Description | |
|---|---|
| 8-chloro-1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-ide; [2-(diphenylmethoxy)ethyl]dimethylazanium | |
| 523-87-5 | |
| C24H28CIN5O3 | |
| diphenhydramine 8-chlorotheophyllinate; 2-(diphenylmethoxy)-N,N-dimethylethanaminium 8-chloro-1,3-dimethyl-2-oxo-2,3-dihydro-1H-purin-6-olate | |
| Used for treating vertigo, motion sickness, and nausea associated with pregnancy. | |