 When you get nachos, tacos, empanadas, spicy queso with jalapenos, Pepto Bismol's there. Pepto Bismol provides fast, effective relief from nausea, heartburn, indigestion, upset stomach, and diarrhea. All the things that can happen unexpectedly on vacation. So before you travel, pack the Pepto. Pepto Bismol. When you have nausea, heartburn, indigestion, upset stomach, diarrhea. Use as directed. Keep out of reach of children.