Pepto Bismol is the #1 Pharmacist Recommended Brand for Upset Stomachs (Based on Pharmacy Times survey 2015 Survey, upset stomach remedies category). Whether you're looking for an upset stomach medicine or nausea help, wondering what to do for indigestion or heartburn relief, or trying to find what's good for diarrhea, Pepto fixes it fast. 5 Symptom Digestive Relief: Heartburn, indigestion, nausea, upset stomach, diarrhea. Pepto Bismol contains unflavored caplets also.