Per Caplet Other Information: Each caplet contains very low sodium. Do not use if carton was opened or if printed foil inner seal under bottle cap is torn or missing. Store at room temperature 20 degrees - 25 degrees C (68 degrees - 77 degrees F). Bismuth subsalicylate. Anti-diarrheal; upset stomach reliever. Fast & effective relief. Begins controlling symptoms from the first dose. Quickly relieves urgency, gas, and cramping. Effective on diarrhea from bacteria, viruses, and other causes. Clinically proven medicine.