Kaopectate is an orally taken medication from Chattem, Inc. for the treatment of mild diarrhea. It is also sometimes used to treat indigestion, nausea and stomach ulcers. The active ingredients have varied over time, and are different between the United States and Canada. The original active ingredients were kaolinite and pectin. In the U.S., the active ingredient is now bismuth subsalicylate, the same as in Pepto-Bismol. In Canada, attapulgite is used.