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What does H-2 stand for?

H-2 stands for Histamine-2 Receptor

This definition appears frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 12 other meanings of H-2 in our Acronym Attic

Samples in periodicals archive:

One of the two patients mentioned had the ranitidine replaced with pantoprazole by our gastroenterological colleagues, who after endoscopic confirmation of ulceration advised us that our prophylaxis regimen was outdated and that proton pump inhibitors (PPI) should replace histamine-2 receptor antagonists (H2RA).
Patients admitted to hospitals for medical conditions are very frequently placed on acid-suppression medications such as proton pump inhibitors (Prilosec, Zegerid, Nexium, Protonix) or histamine-2 receptor blockers (Tagemet, Zantac).