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H2 receptor antagonist
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Quick Facts
In full:
histamine receptor H2 antagonist
Related Topics:
ranitidine
cimetidine
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H2 receptor antagonist

drug
Also known as: H2 blocking agent
Written and fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

H2 receptor antagonist, any agent that blocks histamine-induced secretion of gastric acid in the stomach. These drugs, which include cimetidine (Tagamet) and ranitidine (Zantac), are used for short-term treatment of gastroesophageal reflux and, in combination with antibiotics, for peptic ulcer.

This article was most recently revised and updated by Kara Rogers.