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A histamine receptor antagonist, C13H22N4O3that inhibits gastric acid secretion and is used primarily to treat duodenal ulcers, gastric ulcers, and gastroesophageal reflux disease.

[rani- (blend of (fu)ran ni(tro)-) + -tidine, histamine receptor antagonist suffix (from (cime)tidine).]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ranitidine - a histamine blocker and antacid (trade name Zantac) used to treat peptic ulcers and gastritis and esophageal reflux
histamine blocker - a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2
alkaliser, alkalizer, antacid, antiacid, gastric antacid - an agent that counteracts or neutralizes acidity (especially in the stomach)


n ranitidina
References in periodicals archive ?
Bismuth and ranitidine bismuth citrate are sometimes added to the regimen.
Seven-day triple therapy with a PPI or ranitidine bismuth citrate plus clarithromycin and either amoxicillin or metronidazole is also effective (SOR: A, high-quality systematic review).
Ranitidine bismuth citrate 400 mg twice daily and clarithromycin 500 mg three times daily for two weeks, then ranitidine bismuth citrate 400 mg twice daily for two weeks.