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Interactions médicamenteuses

Efavirenz + Isavuconazole

Gravité: Contre-indiquée

Efavirenz and Isavuconazole: contraindicated interaction.

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Résumé

Efavirenz is a moderate CYP3A4 inducer and may lower isavuconazole exposure, compromising antifungal efficacy. Isavuconazole could also alter efavirenz concentrations.

Ce que signifie cette interaction, en termes simples

Efavirenz and Isavuconazole 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.

Efavirenz belongs to Anti Virals; Isavuconazole belongs to Anti Fungals.

Niveau de preuve: Moderate

Pourquoi elle survient

Efavirenz induces CYP3A4/5, accelerating isavuconazole metabolism.

Conduite à tenir

Avoid coadministration and use an alternative antiretroviral such as an integrase inhibitor-based regimen if feasible. If combined, monitor isavuconazole levels and clinical response.

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 Efavirenz with Isavuconazole?

MediHelp rates the interaction as contraindicated. Efavirenz and Isavuconazole 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. Efavirenz is a moderate CYP3A4 inducer and may lower isavuconazole exposure, compromising antifungal efficacy. Isavuconazole could also alter efavirenz concentrations.

How serious is the interaction between Efavirenz and Isavuconazole?

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 coadministration and use an alternative antiretroviral such as an integrase inhibitor-based regimen if feasible. If combined, monitor isavuconazole levels and clinical response.

What other medicines interact with Isavuconazole?

MediHelp also lists interactions of Isavuconazole with, for example, Carbamazepine, Etravirine, Ketoconazole. The full list is on the Isavuconazole page.

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Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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