Get quick and effective relief from urgency gas and cramping from stomach discomfort with Kaopectate Anti-Diarrheal Upset Stomach Relief. This vanilla-flavored multi-symptom relief liquid works on several types of stomach ailments such as traveler s diarrhea heartburn indigestion nausea gas belching and fullness. Kaopectate s diarrhea medicine coats your stomach and quickly calms symptoms from the first dose with bismuth subsalicylate. Not only does this anti-diarrhea liquid treat the symptoms but it also kills bacteria that can cause diarrhea. It s also effective on diarrhea from viruses food and stress. This medicine is for use by adults and children 12 years of age and older.