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Interações medicamentosas

Chloroquine + Cisapride

Gravidade: Contraindicada

Chloroquine and Cisapride: 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 can prolong the QT interval. Used together they raise the risk of torsades de pointes and sudden cardiac death. Cisapride is already restricted because of this risk.

O que esta interação significa em palavras simples

Chloroquine and Cisapride 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.

Chloroquine belongs to Anti Parasitic; Cisapride belongs to Gastrointestinal Tract.

Nível de evidência: Moderate

Por que acontece

Additive blockade of cardiac hERG potassium channels causing delayed repolarization and QT prolongation.

O que fazer

Avoid the combination; use a non-QT-prolonging prokinetic or antimalarial alternative. If unavoidable, obtain a baseline ECG and correct potassium and magnesium before and during therapy.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Perguntas frequentes

Can I take Chloroquine with Cisapride?

MediHelp rates the interaction as contraindicated. Chloroquine and Cisapride 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 can prolong the QT interval. Used together they raise the risk of torsades de pointes and sudden cardiac death. Cisapride is already restricted because of this risk.

How serious is the interaction between Chloroquine and Cisapride?

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; use a non-QT-prolonging prokinetic or antimalarial alternative. If unavoidable, obtain a baseline ECG and correct potassium and magnesium before and during therapy.

What other medicines interact with Cisapride?

MediHelp also lists interactions of Cisapride with, for example, Apomorphine, Artemether, Azithromycin. The full list is on the Cisapride page.

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