Don’t let common stomach problems make you miserable. Browse our selection of reliable over-the-counter stomach medications so you’ll be ready next time upset stomach, indigestion, sour stomach, heartburn, acid reflux, diarrhea or constipation strikes. We carry plenty of must-have stomach remedies, including antacid tablets, anti-diarrheal medicine, Milk of Magnesia, stool softeners, fiber caplets and more. Be sure to check out bestselling heartburn relievers like the Major Famotidine Acid Reducer Heartburn Tablets and Nexium 24 Hour Heartburn Relief, plus other tried-and-true essentials like GoodSense ClearLax Powder Laxative and Loperamide Anti-Diarrheal Caplets. Stock up on all your favorites — or try something new — and we’ll deliver it straight to your home.