Pharma
H2 Blockers (Famotidine)
for Acid Reflux
H2 receptor antagonists reduce stomach acid production and provide fast, reliable relief for heartburn. Available OTC and effective for on-demand use.
How it works
Competitively blocks histamine H2 receptors on stomach parietal cells, reducing acid secretion by approximately 70% — less than PPIs but with faster onset.
What to watch for
Less effective than PPIs for erosive oesophagitis or severe GERD. Tolerance (tachyphylaxis) can develop with daily use. Best used for intermittent or pre-emptive heartburn.
Community experience
Other remedies for Acid Reflux
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