Skip to content

Drug interactions

Ibuprofen + Metronidazole

Severity: Minor

Ibuprofen and Metronidazole: 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

Metronidazole has weak CYP2C9 inhibitory activity and may slightly increase ibuprofen exposure. The clinical impact is expected to be small.

What this interaction means in plain words

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

Ibuprofen belongs to Musculoskeletal; Metronidazole belongs to Anti Parasitic.

Evidence level: Low

Why it happens

Weak inhibition of CYP2C9-mediated ibuprofen metabolism.

What to do

No dose change is needed. Use usual ibuprofen doses and watch for GI intolerance.

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 Ibuprofen and Metronidazole, 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 14 days on the web. No card needed.

Frequently asked questions

Can I take Ibuprofen with Metronidazole?

MediHelp rates the interaction as minor. Ibuprofen and Metronidazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Metronidazole has weak CYP2C9 inhibitory activity and may slightly increase ibuprofen exposure. The clinical impact is expected to be small.

How serious is the interaction between Ibuprofen and Metronidazole?

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 dose change is needed. Use usual ibuprofen doses and watch for GI intolerance.

What other medicines interact with Ibuprofen?

MediHelp also lists interactions of Ibuprofen with, for example, Ketorolac, Ketorolac intranasal, Acemetacin. The full list is on the Ibuprofen 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