Invented in 1901 by a doctor in New York, Bismosal (active ingredient bismuth subsalicylate) was originally sold as a remedy for infant diarrhea; it was renamed Pepto?Bismol? in 1919 and acquired by Procter & Gamble in 1982. The popular over the counter drug is used to treat minor digestive system upset including symptoms such as nausea, heartburn, indigestion, upset stomach and diarrhea. The familiar pink liquid offers relief from the temporary discomforts of the stomach and gastrointestinal tract; it is offered in chewable tablets and swallowable caplets as well. The product line includes original chewable tablets; original caplets; original liquid and maximum strength liquid; all products are designed to relieve travelers' diarrhea; diarrhea; upset stomach due to overindulgence in food and drink, including: heartburn; indigestion; nausea; gas; belching. The products are recommended for use by adult and children over age 12.