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Drug interactions

Dabigatran etexilate + Naproxen

Severity: Moderate

Dabigatran etexilate and Naproxen: moderate 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

Naproxen inhibits platelet aggregation and can cause gastrointestinal ulceration and bleeding, which adds to the hemorrhagic risk of dabigatran. Risk is increased in elderly patients and with renal impairment.

What this interaction means in plain words

Dabigatran etexilate and Naproxen can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Dabigatran etexilate belongs to Cardiovascular; Naproxen belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive effect on hemostasis: NSAID platelet inhibition and mucosal injury with thrombin inhibition.

What to do

Avoid where possible and use paracetamol instead. If required, use the shortest course, consider gastroprotection and monitor for bleeding.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Dabigatran etexilate with Naproxen?

MediHelp rates the interaction as moderate. Dabigatran etexilate and Naproxen can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Naproxen inhibits platelet aggregation and can cause gastrointestinal ulceration and bleeding, which adds to the hemorrhagic risk of dabigatran. Risk is increased in elderly patients and with renal impairment.

How serious is the interaction between Dabigatran etexilate and Naproxen?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid where possible and use paracetamol instead. If required, use the shortest course, consider gastroprotection and monitor for bleeding.

What other medicines interact with Dabigatran etexilate?

MediHelp also lists interactions of Dabigatran etexilate with, for example, Defibrotide, Ketorolac, Mifepristone. The full list is on the Dabigatran etexilate page.

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