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Interactions médicamenteuses

Ketorolac + Warfarin

Gravité: Contre-indiquée

Ketorolac and Warfarin: contraindicated interaction.

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Résumé

Ketorolac inhibits platelet function and can cause gastrointestinal ulceration, so combined with warfarin it markedly increases the risk of serious bleeding. Ketorolac is contraindicated in patients at high bleeding risk and with anticoagulants per labeling.

Ce que signifie cette interaction, en termes simples

Ketorolac and Warfarin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Ketorolac belongs to Musculoskeletal; Warfarin belongs to Cardiovascular.

Niveau de preuve: High

Pourquoi elle survient

Additive impairment of hemostasis: ketorolac inhibits platelet aggregation and damages gastric mucosa while warfarin reduces clotting factor synthesis.

Conduite à tenir

Avoid ketorolac in patients on warfarin and use a non-NSAID analgesic such as paracetamol. If an NSAID is unavoidable, monitor INR and watch for bleeding with gastroprotection.

Questions à poser à votre pharmacien

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Questions fréquentes

Can I take Ketorolac with Warfarin?

MediHelp rates the interaction as contraindicated. Ketorolac and Warfarin are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Ketorolac inhibits platelet function and can cause gastrointestinal ulceration, so combined with warfarin it markedly increases the risk of serious bleeding. Ketorolac is contraindicated in patients at high bleeding risk and with anticoagulants per labeling.

How serious is the interaction between Ketorolac and Warfarin?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid ketorolac in patients on warfarin and use a non-NSAID analgesic such as paracetamol. If an NSAID is unavoidable, monitor INR and watch for bleeding with gastroprotection.

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.

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