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Interactions médicamenteuses

Dofetilide + Sotalol

Gravité: Contre-indiquée

Dofetilide and Sotalol: contraindicated interaction.

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Résumé

Both are class III antiarrhythmics that block cardiac potassium channels and prolong the QT interval. Together they markedly increase the risk of torsades de pointes.

Ce que signifie cette interaction, en termes simples

Dofetilide and Sotalol 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.

Dofetilide belongs to Cardiovascular; Sotalol belongs to Cardiovascular.

Niveau de preuve: High

Pourquoi elle survient

Additive blockade of the delayed rectifier potassium current causing QT prolongation.

Conduite à tenir

Do not use together; allow adequate washout of one agent before starting the other with ECG monitoring in a supervised setting.

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 Dofetilide with Sotalol?

MediHelp rates the interaction as contraindicated. Dofetilide and Sotalol 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. Both are class III antiarrhythmics that block cardiac potassium channels and prolong the QT interval. Together they markedly increase the risk of torsades de pointes.

How serious is the interaction between Dofetilide and Sotalol?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not use together; allow adequate washout of one agent before starting the other with ECG monitoring in a supervised setting.

What other medicines interact with Sotalol?

MediHelp also lists interactions of Sotalol with, for example, Arsenic trioxide, Artemether / lumefantrine, Disopyramide. The full list is on the Sotalol page.

Monographies complètes, posologies et vérificateur d'interactions dans l'application MediHelp

Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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