Skip to content

Drug interactions

Ketorolac + Pau d'arco

Severity: Minor

Ketorolac and Pau d'arco: 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

Pau d'arco contains naphthoquinones such as lapachol that may interfere with vitamin K and coagulation. This may theoretically add to ketorolac's bleeding risk, though no solid clinical data exist.

What this interaction means in plain words

Ketorolac and Pau d'arco 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

Theoretical additive effect on hemostasis through vitamin K antagonism by lapachol and platelet inhibition by ketorolac.

What to do

Advise avoiding pau d'arco products during ketorolac therapy and monitor for bleeding.

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 Ketorolac and Pau d'arco, 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 Ketorolac with Pau d'arco?

MediHelp rates the interaction as minor. Ketorolac and Pau d'arco have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pau d'arco contains naphthoquinones such as lapachol that may interfere with vitamin K and coagulation. This may theoretically add to ketorolac's bleeding risk, though no solid clinical data exist.

How serious is the interaction between Ketorolac and Pau d'arco?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding pau d'arco products during ketorolac therapy and monitor for bleeding.

What other medicines interact with Ketorolac?

MediHelp also lists interactions of Ketorolac with, for example, Aceclofenac, Acemetacin, Acetylsalicylic acid. The full list is on the Ketorolac 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