Drug reference
ranitidine
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Gastrointestinal Tract (H2-Receptor Blockers)
Mechanism of action
H2-receptor antagonist; blocks H2 receptors of gastric parietal cells, leading to inhibition of gastric secretions, Relative Potency: 4-10.
Common side effects
- Agitation
- Constipation
- Headache
- Abdominal pain
Related conditions
Frequently asked questions
What drug class is ranitidine?
ranitidine belongs to: Gastrointestinal Tract.
How does ranitidine work?
H2-receptor antagonist; blocks H2 receptors of gastric parietal cells, leading to inhibition of gastric secretions, Relative Potency: 4-10.
What are the common side effects of ranitidine?
Agitation, Constipation, Headache, Abdominal pain
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