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VHOSPITAL.CLINIC · Drug Reference

Proton Pump InhibitorAvailable OTC

Rabeprazole Dosage & Administration

Rabeprazole dosing must be individualised to the patient's condition, weight, kidney and liver function, and other medications. Standard doses for most PPIs: once daily before breakfast. Higher doses may be required for Zollinger-Ellison syndrome. Course length depends on indication.

Common Dosing Contexts

  • GERD: 4–8 weeks initially, then step-down or on-demand therapy
  • Peptic ulcer: 4–8 weeks for healing
  • H. pylori eradication: 7–14 days as part of triple therapy
  • NSAID-related ulcer prevention: co-prescribed with NSAIDs

Dosage Safety Notes

  • Take 30–60 minutes before eating for best results
  • Swallow tablets whole; some capsules may be opened and sprinkled on food
  • Duration should be regularly reviewed by your prescriber

How to Take

  • Rabeprazole is available in the following formulations depending on the indication.
  • Always follow the exact dose and frequency prescribed by your healthcare provider.
  • Do not adjust your dose without consulting your doctor or pharmacist.

Safety Note

Do not exceed the prescribed dose of Rabeprazole. If you miss a dose, follow the specific guidance provided with your prescription — generally take it as soon as you remember unless it is nearly time for the next dose.

Frequently Asked Questions

Can I take a higher dose of Rabeprazole if my symptoms don't improve?

No. Never increase the dose of Rabeprazole without medical advice. If your current dose is insufficient, contact your healthcare provider to discuss a dose adjustment or alternative treatment.

How quickly do PPIs work?

PPIs begin reducing acid within 1–2 hours, but full effect builds over 3–4 days of regular dosing because they only inhibit active proton pumps. Maximum acid suppression occurs after 4–7 days of consistent use.

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Medical Disclaimer: This drug reference is provided for informational purposes only and is not a substitute for professional medical advice. Always consult your physician or pharmacist before changing your medication. Information reviewed by the vHospital Editorial Team · Sources: WHO, BNF, FDA prescribing information.