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Interactions médicamenteuses

Cobicistat + Etravirine

Gravité: Majeure

Cobicistat and Etravirine: major interaction.

Dernière mise à jour

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Résumé

Etravirine induces CYP3A4 and may reduce cobicistat concentrations, weakening the boosting effect on the protease inhibitor. This can lower protease inhibitor exposure and risk virologic failure.

Ce que signifie cette interaction, en termes simples

Cobicistat and Etravirine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Cobicistat belongs to Miscellaneous; Etravirine belongs to Anti Virals.

Niveau de preuve: Moderate

Pourquoi elle survient

Etravirine induction of CYP3A4 lowers cobicistat and boosted drug levels.

Conduite à tenir

Avoid the combination and use a ritonavir-boosted regimen or alternative agents per HIV specialist guidance.

Questions à poser à votre pharmacien

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Cobicistat with Etravirine?

MediHelp rates the interaction as major. Cobicistat and Etravirine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Etravirine induces CYP3A4 and may reduce cobicistat concentrations, weakening the boosting effect on the protease inhibitor. This can lower protease inhibitor exposure and risk virologic failure.

How serious is the interaction between Cobicistat and Etravirine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination and use a ritonavir-boosted regimen or alternative agents per HIV specialist guidance.

What other medicines interact with Cobicistat?

MediHelp also lists interactions of Cobicistat with, for example, Alfuzosin, Apalutamide, Colchicine. The full list is on the Cobicistat 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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