H2 antagonists

Other names: H2 blockers, histamine-2 receptor antagonists

What are H2 antagonists?

H2 antagonists block histamine-induced gastric acid secretion from the parietal cells of the gastric mucosa (lining of the stomach).

H2 antagonists are used to treat gastroesophageal reflux disease (GERD), gastrointestinal ulcers and other gastrointestinal hypersecretory conditions.

List of H2 antagonists

Ranitidine

Sama Mohamed August 28, 2025

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H2 antagonists

What are H2 antagonists?

List of H2 antagonists

Pepcid

Ranitidine

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