The Pepcid Complete is a chewable tablet that provides dual-action heartburn relief that works fast and lasts. It combines an antacid that starts neutralizing acid in seconds with an H2 blocker, famotidine, that helps control acid all day or all night. Pepcid has provided safe and effective heartburn relief for 35 years when used as directed. Contains: Calcium Carbonate; Magnesium Hydroxide; Famotidine; Description: 30 Chewable Tablets/Box.