Skip to content

Drug interactions

Duloxetine + Ketoprofen

Severity: Major

Duloxetine and Ketoprofen: major 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

Duloxetine, a serotonin-norepinephrine reuptake inhibitor, combined with an NSAID increases the risk of upper gastrointestinal bleeding.

What this interaction means in plain words

Duloxetine and Ketoprofen can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Duloxetine belongs to Central Nervous System; Ketoprofen belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Reduced platelet serotonin impairs aggregation, adding to NSAID antiplatelet effects and gastric mucosal injury.

What to do

Avoid if possible or use the lowest NSAID dose for the shortest time with a proton pump inhibitor in at-risk patients. Monitor for GI bleeding.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Duloxetine and Ketoprofen, 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 Duloxetine with Ketoprofen?

MediHelp rates the interaction as major. Duloxetine and Ketoprofen can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Duloxetine, a serotonin-norepinephrine reuptake inhibitor, combined with an NSAID increases the risk of upper gastrointestinal bleeding.

How serious is the interaction between Duloxetine and Ketoprofen?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible or use the lowest NSAID dose for the shortest time with a proton pump inhibitor in at-risk patients. Monitor for GI bleeding.

What other medicines interact with Ketoprofen?

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