Imodium Complete Caplets for Diarrhea Plus Gas Relief Relieve multiple diarrhea symptoms with Imodium Complete Caplets. For adults and children 12 years and older, these caplets offer effective multi-symptom relief of diarrhea and gas available without a prescription. They feature an innovative formula that combines two medications to relieve diarrhea as well as excess gas in the stomach or intestines, bloating, stomach cramps, pressure, pain, and the stuffed or filled feeling due to gas. Each lactose-free caplet contains 2 milligrams of the anti-diarrhea medication loperamide hydrochloride, and 125 milligrams of the anti-gas medication simethicone. Recommended Dosage: Adults & children 12+ take 2 caplets initially followed by one caplet after each loose bowel movement. Do not take more than 4 caplets in 24 hours.