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Interações medicamentosas

Amiodarone + Amisulpride

Gravidade: Contraindicada

Amiodarone and Amisulpride: contraindicated interaction.

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Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.

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Resumo

Both drugs prolong the QT interval, and their combination substantially increases the risk of torsades de pointes. Amiodarone's long half-life means the risk persists after it is stopped.

O que esta interação significa em palavras simples

Amiodarone and Amisulpride 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.

Amiodarone belongs to Cardiovascular; Amisulpride belongs to Central Nervous System.

Nível de evidência: Moderate

Por que acontece

Additive QT prolongation through blockade of cardiac potassium channels (pharmacodynamic).

O que fazer

Avoid the combination and choose an antipsychotic with lower QT liability. If it cannot be avoided, use continuous ECG monitoring and keep potassium and magnesium normal.

O que perguntar ao farmacêutico

  • 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?

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Perguntas frequentes

Can I take Amiodarone with Amisulpride?

MediHelp rates the interaction as contraindicated. Amiodarone and Amisulpride 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 drugs prolong the QT interval, and their combination substantially increases the risk of torsades de pointes. Amiodarone's long half-life means the risk persists after it is stopped.

How serious is the interaction between Amiodarone and Amisulpride?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination and choose an antipsychotic with lower QT liability. If it cannot be avoided, use continuous ECG monitoring and keep potassium and magnesium normal.

What other medicines interact with Amiodarone?

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

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