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Interactions médicamenteuses

Amisulpride + Valbenazine

Gravité: Majeure

Amisulpride and Valbenazine: major interaction.

Dernière mise à jour

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Résumé

Both amisulpride and valbenazine can prolong the QT interval, so combined use may increase the risk of ventricular arrhythmias including torsades de pointes. Risk is higher with electrolyte disturbances, bradycardia, or other QT-prolonging drugs. Valbenazine is also associated with somnolence, which may be additive.

Ce que signifie cette interaction, en termes simples

Amisulpride 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.

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

Niveau de preuve: Low

Pourquoi elle survient

Additive prolongation of cardiac repolarization (QT interval).

Conduite à tenir

Obtain a baseline ECG and monitor QTc if the combination is needed. Correct potassium and magnesium abnormalities and avoid other QT-prolonging drugs.

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 Amisulpride with Valbenazine?

MediHelp rates the interaction as major. Amisulpride 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. Both amisulpride and valbenazine can prolong the QT interval, so combined use may increase the risk of ventricular arrhythmias including torsades de pointes. Risk is higher with electrolyte disturbances, bradycardia, or other QT-prolonging drugs. Valbenazine is also associated with somnolence, which may be additive.

How serious is the interaction between Amisulpride 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: Obtain a baseline ECG and monitor QTc if the combination is needed. Correct potassium and magnesium abnormalities and avoid other QT-prolonging drugs.

What other medicines interact with Amisulpride?

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

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