IMODIUM® A-D Anti-Diarrheal Oral Solution (liquid) is the fastest single ingredient OTC medicine to help stop diarrhea, allowing you to get back to doing the things you love. With 1mg of Loperamide HCl per 7.5 mL, this product helps control the symptoms of diarrhea, including Travelers’ Diarrhea. Active Ingredients: Loperamide HCI (2 mg), Anti-diarrheal.; Simethicone (125 mg), Anti-gas.