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Drug interactions

Dalteparin + Fenoprofen

Severity: Major

Dalteparin and Fenoprofen: 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 impair platelet function and irritate the gastrointestinal tract, and dalteparin is an anticoagulant. The combination raises the risk of clinically significant bleeding.

What this interaction means in plain words

Dalteparin and Fenoprofen 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.

Dalteparin belongs to Cardiovascular; Fenoprofen belongs to Musculoskeletal.

Evidence level: High

Why it happens

Additive hemostatic effects from NSAID platelet inhibition and low molecular weight heparin anti-Xa activity.

What to do

Avoid concurrent use where possible and choose a non-NSAID analgesic. If unavoidable, monitor for bleeding and haemoglobin.

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.

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Frequently asked questions

Can I take Dalteparin with Fenoprofen?

MediHelp rates the interaction as major. Dalteparin and Fenoprofen 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 impair platelet function and irritate the gastrointestinal tract, and dalteparin is an anticoagulant. The combination raises the risk of clinically significant bleeding.

How serious is the interaction between Dalteparin and Fenoprofen?

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 concurrent use where possible and choose a non-NSAID analgesic. If unavoidable, monitor for bleeding and haemoglobin.

What other medicines interact with Fenoprofen?

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

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