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Interactions médicamenteuses

Artemether / lumefantrine + Granisetron

Gravité: Majeure

Artemether / lumefantrine and Granisetron: major interaction.

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Résumé

Artemether/lumefantrine can prolong the QT interval, and granisetron has a similar effect. Combining them may increase the risk of torsades de pointes, and lumefantrine has a long half-life so the risk persists after the course ends.

Ce que signifie cette interaction, en termes simples

Artemether / lumefantrine and Granisetron 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.

Niveau de preuve: Moderate

Pourquoi elle survient

Additive pharmacodynamic QT prolongation via cardiac potassium channel blockade.

Conduite à tenir

Avoid the combination where possible and choose a non-QT-prolonging antiemetic. If unavoidable, obtain an ECG and correct potassium and magnesium before and during treatment.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Artemether / lumefantrine with Granisetron?

MediHelp rates the interaction as major. Artemether / lumefantrine and Granisetron 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. Artemether/lumefantrine can prolong the QT interval, and granisetron has a similar effect. Combining them may increase the risk of torsades de pointes, and lumefantrine has a long half-life so the risk persists after the course ends.

How serious is the interaction between Artemether / lumefantrine and Granisetron?

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 the combination where possible and choose a non-QT-prolonging antiemetic. If unavoidable, obtain an ECG and correct potassium and magnesium before and during treatment.

What other medicines interact with Granisetron?

MediHelp also lists interactions of Granisetron with, for example, Apomorphine, Amiodarone, Amisulpride. The full list is on the Granisetron page.

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

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