Tagamet

Tagamet belongs to a class of medications called histamine H2-antagonists. Histamine is a natural chemical that stimulates stomach cells to produce acid. Histamine H2-antagonists inhibit the action of histamine on the acid-producing cells of the stomach and reduce stomach acid. Tagamet was approved by the FDA in 1977.

This medication blocks secretion of acid from the stomach. It is used to treat and prevent ulcers, to treat gastroesophageal reflux disorder (GERD), and to treat conditions associated with excessive acid secretion.