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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

View by  Brand | Generic
Drug Name Avg. Rating Reviews
nizatidine systemic (Pro)
9.1
12 reviews
calcium carbonate / famotidine / magnesium hydroxide systemic
8.2
5 reviews
cimetidine systemic (Pro)
7.9
20 reviews
ranitidine systemic (Pro)
7.3
165 reviews
famotidine systemic (Pro)
4.3
170 reviews
For ratings, users were asked how effective they found the medicine while considering positive/adverse effects and ease of use (1 = not effective, 10 = most effective).

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.