Famotidine a histamine-2 blockers. Famotidine works by decreasing the amount of acid the stomach produces. Famotidine is used to treat and prevent ulcers in the stomach and intestines. It also treats conditions in which the stomach produces too much acid, such as Zollinger-Ellison syndrome. Famotidine also treats gastroesophageal reflux disease (GERD) and other conditions in which acid backs up from the stomach into the esophagus, causing heartburn. Famotidine may also be used for purposes not listed in this medication guide.
Pepcid is an h2-Histamine antagonist that can stop stomach acid production. It is commonly used in curing various problems like peptic ulcer, as well as gastroesophageal reflux diseases. A major plus to Pepcid is that it has no side effects with cytochrome P450 and shows no signs of reacting to other drugs.