noun \sī-ˈme-tə-ˌdēn\

Definition of CIMETIDINE

:  a histamine analog C10H16N6S that inhibits gastric acid secretion and is used especially in the treatment of duodenal ulcers


ci- (alteration of cyan-) + methyl + -idine
First Known Use: 1975


noun \sī-ˈmet-ə-ˌdēn\   (Medical Dictionary)

Medical Definition of CIMETIDINE

: an H2 antagonist C10H16N6S that like histamine contains the ring structure of imidazole and is used to inhibit gastric acid secretion in conditions in which such secretion produces duodenal or gastric ulcers or erosive lesions (as in serious cases of gastroesophageal reflux disease)—see tagamet


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