H2-receptor antagonist


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H2-receptor antagonist

Any of the drugs that inhibit gastric acid secretion by blocking the effects of histamine or acetylcholine on receptors found on parietal cells. Such drugs are used to treat peptic ulcers and gastroesophageal reflux disease.
Synonym: H2 blocker
See also: antagonist
Medical Dictionary, © 2009 Farlex and Partners
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