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Interactions médicamenteuses

Atazanavir + Eletriptan

Gravité: Contre-indiquée

Atazanavir and Eletriptan: contraindicated interaction.

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Résumé

Atazanavir is a strong CYP3A4 inhibitor and markedly raises eletriptan exposure, increasing the risk of vasoconstrictive and other triptan adverse effects. Eletriptan labeling contraindicates use within 72 hours of potent CYP3A4 inhibitors, including HIV protease inhibitors.

Ce que signifie cette interaction, en termes simples

Atazanavir 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.

Atazanavir belongs to Anti Virals; Eletriptan belongs to Central Nervous System.

Niveau de preuve: High

Pourquoi elle survient

Strong inhibition of CYP3A4-mediated first-pass and systemic metabolism of eletriptan.

Conduite à tenir

Do not give eletriptan within at least 72 hours of atazanavir. Use a triptan not metabolized by CYP3A4, such as rizatriptan or sumatriptan, with attention to its own precautions.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Atazanavir with Eletriptan?

MediHelp rates the interaction as contraindicated. Atazanavir 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. Atazanavir is a strong CYP3A4 inhibitor and markedly raises eletriptan exposure, increasing the risk of vasoconstrictive and other triptan adverse effects. Eletriptan labeling contraindicates use within 72 hours of potent CYP3A4 inhibitors, including HIV protease inhibitors.

How serious is the interaction between Atazanavir 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 give eletriptan within at least 72 hours of atazanavir. Use a triptan not metabolized by CYP3A4, such as rizatriptan or sumatriptan, with attention to its own precautions.

What other medicines interact with Eletriptan?

MediHelp also lists interactions of Eletriptan with, for example, Almotriptan, Ceritinib, Clarithromycin. The full list is on the Eletriptan page.

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