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Interações medicamentosas

Clarithromycin + Eletriptan

Gravidade: Contraindicada

Clarithromycin and Eletriptan: 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

Clarithromycin is a strong CYP3A4 inhibitor, and eletriptan is cleared largely by CYP3A4. Raised eletriptan exposure can lead to excessive eletriptan effect, including vasoconstriction and coronary spasm.

O que esta interação significa em palavras simples

Clarithromycin and Eletriptan 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.

Clarithromycin belongs to Anti Bacterial; Eletriptan belongs to Central Nervous System.

Nível de evidência: High

Por que acontece

CYP3A4 inhibition by clarithromycin reduces first-pass and systemic clearance of eletriptan

O que fazer

Do not combine; choose an alternative to clarithromycin.

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 Clarithromycin with Eletriptan?

MediHelp rates the interaction as contraindicated. Clarithromycin and Eletriptan 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. Clarithromycin is a strong CYP3A4 inhibitor, and eletriptan is cleared largely by CYP3A4. Raised eletriptan exposure can lead to excessive eletriptan effect, including vasoconstriction and coronary spasm.

How serious is the interaction between Clarithromycin and Eletriptan?

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 combine; choose an alternative to clarithromycin.

What other medicines interact with Clarithromycin?

MediHelp also lists interactions of Clarithromycin with, for example, Astemizole, Avanafil, Cisapride. The full list is on the Clarithromycin page.

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