Kaopectate Medicinal Anti-Diarrheal Upset Stomach Relief Liquid, Peppermint, 11 fluid ounces. Quick and effective relief from diarrhea and stomach discomfort with bismuth subsalicylate. Relieves traveler's diarrhea, heartburn, indigestion, nausea, gas, belching, and fullness. Kills bacteria that can cause diarrhea. Effective on diarrhea from viruses, food, and stress. Coats the stomach and calms symptoms from the first dose,