Skip to content

Drug interactions

Heparin + Tolmetin

Severity: Major

Heparin and Tolmetin: 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

NSAIDs with heparin raise the risk of bleeding, especially gastrointestinal, because of combined effects on platelets and coagulation.

What this interaction means in plain words

Heparin and Tolmetin 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.

Heparin belongs to Cardiovascular; Tolmetin belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive NSAID platelet inhibition and mucosal injury with heparin-mediated antithrombin potentiation.

What to do

Avoid NSAIDs where possible. If combined, monitor aPTT or anti-Xa and watch for 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 Heparin and Tolmetin, 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 Heparin with Tolmetin?

MediHelp rates the interaction as major. Heparin and Tolmetin 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. NSAIDs with heparin raise the risk of bleeding, especially gastrointestinal, because of combined effects on platelets and coagulation.

How serious is the interaction between Heparin and Tolmetin?

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 NSAIDs where possible. If combined, monitor aPTT or anti-Xa and watch for bleeding.

What other medicines interact with Tolmetin?

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