Quickly relieve heartburn associated with acid indigestion and sour stomach with Pepcid Complete Acid Reducer + Antacid Chewable Tablets. These cool mint-flavored heartburn relief tablets combine a fast-working antacid and long-lasting acid reducer to help control acid all day or all night.* Formulated with 10 mg of the acid reducer famotidine, 800 mg of the antacid calcium carbonate and 165 mg of the antacid magnesium hydroxide per tablet, this heartburn reliever helps to neutralize and control acid. The dual-action formula starts working in seconds and lasts longer than Tums.** Whether at brunch or a new food spot, use Pepcid Complete Mint Chewables for fast-acting relief so you don't have to worry about hurting now or hurting later.* Based on 9-hour acid control studies during the day and 12-hour acid control studies during the night. Acid control does not imply symptom relief.** Tums is a registered trademark of GlaxoSmithKline.