what is an over the counter drug for nausea?
For Nausea and Vomiting There are two main types of OTC medications used to treat nausea and vomiting: Bismuth subsalicylate, the active ingredient in OTC medications like Kaopectate® and Pepto-Bismol™, protects your stomach lining. Bismuth subsalicylate is also used to treat ulcers, upset stomach and diarrhea.