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Drug interactions

Rabeprazole + Rifapentine

Severity: Minor

Rabeprazole and Rifapentine: minor interaction.

Last updated

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.

Summary

Rifapentine is an inducer of CYP3A4 and CYP2C19 and can lower exposure to many drugs. Rabeprazole is less dependent on these enzymes, but some reduction in acid suppression is possible.

What this interaction means in plain words

Rabeprazole and Rifapentine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Rabeprazole belongs to Gastrointestinal Tract; Rifapentine belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Rifapentine induces hepatic and intestinal CYP enzymes that contribute to rabeprazole metabolism.

What to do

Monitor symptom control and increase the rabeprazole dose if response is inadequate.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Rabeprazole with Rifapentine?

MediHelp rates the interaction as minor. Rabeprazole and Rifapentine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rifapentine is an inducer of CYP3A4 and CYP2C19 and can lower exposure to many drugs. Rabeprazole is less dependent on these enzymes, but some reduction in acid suppression is possible.

How serious is the interaction between Rabeprazole and Rifapentine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor symptom control and increase the rabeprazole dose if response is inadequate.

What other medicines interact with Rabeprazole?

MediHelp also lists interactions of Rabeprazole with, for example, Rilpivirine, Acalabrutinib, Atazanavir. The full list is on the Rabeprazole page.

Full monographs, dosing and an interaction checker in the MediHelp app

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