Skip to content

Drug interactions

Cannabidiol + Rabeprazole

Severity: Minor

Cannabidiol 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

Cannabidiol inhibits CYP2C19, and rabeprazole is metabolized mainly non-enzymatically with a minor CYP2C19 contribution, so the effect on rabeprazole is likely small. Rabeprazole is a weak CYP2C19 inhibitor, so the effect on cannabidiol is also expected to be small.

What this interaction means in plain words

Cannabidiol 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.

Cannabidiol belongs to Central Nervous System; Rabeprazole belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Possible modest CYP2C19 inhibition in both directions, with limited clinical relevance.

What to do

No routine dose change is required; monitor for sedation or adverse effects of cannabidiol and for loss of PPI effect if symptoms change.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Cannabidiol and Rabeprazole, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Cannabidiol with Rabeprazole?

MediHelp rates the interaction as minor. Cannabidiol 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. Cannabidiol inhibits CYP2C19, and rabeprazole is metabolized mainly non-enzymatically with a minor CYP2C19 contribution, so the effect on rabeprazole is likely small. Rabeprazole is a weak CYP2C19 inhibitor, so the effect on cannabidiol is also expected to be small.

How serious is the interaction between Cannabidiol 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: No routine dose change is required; monitor for sedation or adverse effects of cannabidiol and for loss of PPI effect if symptoms change.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in