Get fast heartburn relief that lasts with PEPCID COMPLETE®. The dual-action antacid & acid reducer neutralizes and controls stomach acid with one chewable tablet. Find drug information for Pepcid Complete on CVS.com, including related drug classes, side effects, dosage, and answers to frequently asked questions. Pepcid Complete is a combination of three medications: famotidine (a histamine-2 antagonist, or H2 blocker), calcium carbonate (antacid), and magnesium hydroxide (antacid). It's used to treat acid reflux and heartburn caused by an upset stomach in adults and children ages 12 years and older. Quickly relieve heartburn and reduce acid reflux associated with acid indigestion & sour stomach with Pepcid Complete Acid Reducer + Antacid Chewable Famotidine Tablets. These mint flavored heartburn medicine + antacid chews combine a fast working antacid for acid reflux & long-lasting acid reducer to help control acid all day or night.** Pepcid may be only part of a complete program of treatment that also includes changes in diet or lifestyle habits. Follow your doctor's instructions very closely. Famotidine is a histamine-2 blocker that decreases the amount of acid the stomach produces. Calcium and magnesium are naturally occurring minerals that neutralize acid in the stomach. Pepcid Complete is a combination medicine used to relieve heartburn caused by acid indigestion and sour stomach. Discover dual action PEPCID COMPLETE® - thanks to its unique 2-in-1 formula it neutralizes acid quickly and provides long-lasting heartburn relief. Experience comprehensive heartburn relief with Pepcid Complete chewable tablets. The powerful blend of antacids and acid reducer works to soothe discomfort. From the 1 doctor recommended OTC acid reducer brand, PEPCID COMPLETE® provides dual action heartburn relief on-the-go. It combines an antacid that starts neutralizing acid in seconds with an H2 blocker, famotidine, that helps control acid all day or all night.* Quickly relieve heartburn & reduce acid reflux associated with acid indigestion & sour stomach with Pepcid Complete Acid Reducer Chewable Tablets. Berry flavored heartburn + antacid chews combine fast-working antacid for acid reflux & long-lasting acid reducer to help control acid all day or night.**.