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Interactions médicamenteuses

Carbamazepine + Valbenazine

Gravité: Majeure

Carbamazepine and Valbenazine: major interaction.

Dernière mise à jour

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Résumé

Carbamazepine lowers valbenazine and its active metabolite exposure substantially. This can cause loss of efficacy in tardive dyskinesia or chorea.

Ce que signifie cette interaction, en termes simples

Carbamazepine and Valbenazine 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.

Carbamazepine belongs to Central Nervous System; Valbenazine belongs to Central Nervous System.

Niveau de preuve: High

Pourquoi elle survient

Strong CYP3A4 induction by carbamazepine increases the clearance of valbenazine and its active metabolite.

Conduite à tenir

Avoid the combination as recommended in valbenazine labeling. Consider an alternative anticonvulsant if clinically feasible.

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 Carbamazepine with Valbenazine?

MediHelp rates the interaction as major. Carbamazepine and Valbenazine 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. Carbamazepine lowers valbenazine and its active metabolite exposure substantially. This can cause loss of efficacy in tardive dyskinesia or chorea.

How serious is the interaction between Carbamazepine and Valbenazine?

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 as recommended in valbenazine labeling. Consider an alternative anticonvulsant if clinically feasible.

What other medicines interact with Carbamazepine?

MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine 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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