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Interações medicamentosas

Dexlansoprazole + Mavacamten

Gravidade: Contraindicada

Dexlansoprazole and Mavacamten: contraindicated interaction.

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Resumo

Dexlansoprazole inhibits CYP2C19 and can raise mavacamten exposure. Excess mavacamten can reduce left ventricular ejection fraction and cause heart failure from systolic dysfunction.

O que esta interação significa em palavras simples

Dexlansoprazole and Mavacamten 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.

Dexlansoprazole belongs to Gastrointestinal Tract; Mavacamten belongs to Cardiovascular.

Nível de evidência: Moderate

Por que acontece

Inhibition of CYP2C19-mediated metabolism of mavacamten increases its plasma concentrations.

O que fazer

Avoid the combination; use an acid suppressant without CYP2C19 inhibition (e.g., an H2 blocker, or per labeling) if required. If started or stopped, follow label guidance with echocardiographic monitoring of ejection fraction.

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 Dexlansoprazole with Mavacamten?

MediHelp rates the interaction as contraindicated. Dexlansoprazole and Mavacamten 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. Dexlansoprazole inhibits CYP2C19 and can raise mavacamten exposure. Excess mavacamten can reduce left ventricular ejection fraction and cause heart failure from systolic dysfunction.

How serious is the interaction between Dexlansoprazole and Mavacamten?

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 an acid suppressant without CYP2C19 inhibition (e.g., an H2 blocker, or per labeling) if required. If started or stopped, follow label guidance with echocardiographic monitoring of ejection fraction.

What other medicines interact with Dexlansoprazole?

MediHelp also lists interactions of Dexlansoprazole with, for example, Rilpivirine, Acalabrutinib, Atazanavir. The full list is on the Dexlansoprazole page.

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