Indigestion can cause pain, heartburn, nausea, and diarrhea. If you have an upset stomach because of something you ate, you want to get relief as fast as you can. Pepto-Bismol chewable tablets with original flavor relieve heartburn, indigestion, upset stomach, nausea, and diarrhea. They should be included in any first aid kit or medicine cabinet. Available in a box of 48 tablets.