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Interações medicamentosas

Fezolinetant + Mexiletine

Gravidade: Contraindicada

Fezolinetant and Mexiletine: 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

Fezolinetant is metabolized primarily by CYP1A2, and its exposure rises with CYP1A2 inhibitors. Mexiletine is a CYP1A2 inhibitor, so fezolinetant levels may increase, raising the risk of liver toxicity and other adverse effects. Labeling contraindicates use with CYP1A2 inhibitors.

O que esta interação significa em palavras simples

Fezolinetant and Mexiletine 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.

Fezolinetant belongs to Endocrine; Mexiletine belongs to Cardiovascular.

Nível de evidência: Moderate

Por que acontece

Mexiletine inhibits CYP1A2, reducing fezolinetant clearance.

O que fazer

Do not use together; choose another menopause vasomotor therapy. If mexiletine is required, stop fezolinetant.

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 Fezolinetant with Mexiletine?

MediHelp rates the interaction as contraindicated. Fezolinetant and Mexiletine 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. Fezolinetant is metabolized primarily by CYP1A2, and its exposure rises with CYP1A2 inhibitors. Mexiletine is a CYP1A2 inhibitor, so fezolinetant levels may increase, raising the risk of liver toxicity and other adverse effects. Labeling contraindicates use with CYP1A2 inhibitors.

How serious is the interaction between Fezolinetant and Mexiletine?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not use together; choose another menopause vasomotor therapy. If mexiletine is required, stop fezolinetant.

What other medicines interact with Mexiletine?

MediHelp also lists interactions of Mexiletine with, for example, Pimozide, Alosetron, Amiodarone. The full list is on the Mexiletine page.

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