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Drug interactions

Pentobarbital + Rabeprazole

Severity: Minor

Pentobarbital and Rabeprazole: 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

Barbiturates induce hepatic enzymes including CYP3A4 and CYP2C19 and may reduce PPI exposure. The effect on rabeprazole is expected to be small but could weaken acid suppression.

What this interaction means in plain words

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

Evidence level: Low

Why it happens

Barbiturate-mediated enzyme induction may increase oxidative metabolism of rabeprazole.

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 Pentobarbital with Rabeprazole?

MediHelp rates the interaction as minor. Pentobarbital and Rabeprazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Barbiturates induce hepatic enzymes including CYP3A4 and CYP2C19 and may reduce PPI exposure. The effect on rabeprazole is expected to be small but could weaken acid suppression.

How serious is the interaction between Pentobarbital and Rabeprazole?

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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