Quickly relieve heartburn & reduce acid associated with acid indigestion & sour stomach with Pepcid Complete Acid Reducer + Antacid Chewable Tablets. These tropical fruit flavored heartburn medicine + antacid chews combine a fast-working antacid & long-lasting acid reducer to help control acid all day or night.* Formulated with 10 mg of the acid reducer famotidine, 800 mg of the antacid calcium carbonate & 165 mg of the antacid magnesium hydroxide per tablet, this heartburn reliever helps to neutralize & control acid.