Medicine ComparegiAI-Verified
RanitidinevsFamotidine
Both H2 blockers. Famotidine more potent per mg and longer acting.
Medicine A
Ranitidine
GenericRanitidine 150mg
Made byVarious
FormTablet
VS
Medicine B
Famotidine
GenericFamotidine 20mg
Made byVarious
FormTablet
Different Compositions— These work through different mechanisms. Effects may vary.
Final verdict
Which one wins?
Famotidine preferred — more potent and no NDMA concerns.
Side-by-Side Breakdown
Ranitidine vs Famotidine — key aspects compared
Aspect
Ranitidine
Famotidine
Composition
Ranitidine 150mg
Famotidine 20mg
Manufacturer
Various
Various
Form
Tablet
Tablet
Key difference
Both H2 blockers. Famotidine more potent per mg and longer acting.
Why They're Different
Not interchangeable — here's what to know
- Ranitidine contains Ranitidine 150mg, while Famotidine contains Famotidine 20mg — these work through different mechanisms in the body.
- They are NOT automatically substitutable — switching requires your doctor's approval.
- Side effects, dosages, timing, and drug interactions differ between them.
- Price comparison alone is not a valid reason to switch — different drugs have different suitability for your condition.
- If considering a switch, consult your doctor with both options — they'll assess based on your full medical picture.
- Use GoDavaii AI to compare interactions with your other medicines before any switch decision.
AI-Verified · Cross-checked against 40,000+ drug interactions
Not medical advice
Individual responses to Ranitidine and Famotidine vary based on dose, health conditions, and other medicines. Always consult your doctor or pharmacist before switching or starting any medicine. For emergencies, call 112.
Frequently Asked Questions
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