famotidine
noun
fa·mo·ti·dine
| \ fə-ˈmōt-ə-ˌdīn
, -ˌdēn
\
, -ˌdēn
\
Medical Definition of famotidine
: an H2 antagonist C8H15N7O2S3 used to inhibit gastric acid secretion especially in the short-term treatment of gastric and duodenal ulcers and gastroesophageal reflux disease and in the treatment of disorders (as Zollinger-Ellison syndrome) involving gastric acid hypersecretion — see pepcid