All three drugs are available over the counter. So is Pez. At least Pez tastes good. Figure 1. The chemical structures of histamine blockers Dramamine, Benadryl, Bonine, and Pez. To sum up: Although ...

It may include over-the-counter (OTC) drugs like Dramamine (dimenhydrinate) and Pepto-Bismol (bismuth subsalicylate) or prescription medications like Zofran (ondansetron) and Bonine (meclizine).