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Interactions médicamenteuses

Dronedarone + Rufinamide

Gravité: Modérée

Dronedarone and Rufinamide: moderate interaction.

Dernière mise à jour

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Résumé

Rufinamide is a weak CYP3A4 inducer and may modestly lower dronedarone concentrations. This could reduce antiarrhythmic efficacy, though the effect is probably small. Rufinamide also shortens the QT interval, which is a separate pharmacodynamic consideration.

Ce que signifie cette interaction, en termes simples

Dronedarone and Rufinamide 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.

Dronedarone belongs to Cardiovascular; Rufinamide belongs to Central Nervous System.

Niveau de preuve: Low

Pourquoi elle survient

Weak induction of CYP3A4 increases dronedarone metabolism.

Conduite à tenir

Monitor heart rhythm control and clinical response after rufinamide is started or stopped. Consider alternatives if arrhythmia control worsens.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Dronedarone with Rufinamide?

MediHelp rates the interaction as moderate. Dronedarone and Rufinamide 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. Rufinamide is a weak CYP3A4 inducer and may modestly lower dronedarone concentrations. This could reduce antiarrhythmic efficacy, though the effect is probably small. Rufinamide also shortens the QT interval, which is a separate pharmacodynamic consideration.

How serious is the interaction between Dronedarone and Rufinamide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor heart rhythm control and clinical response after rufinamide is started or stopped. Consider alternatives if arrhythmia control worsens.

What other medicines interact with Dronedarone?

MediHelp also lists interactions of Dronedarone with, for example, Adagrasib, Amiodarone, Arsenic trioxide. The full list is on the Dronedarone page.

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