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Interactions médicamenteuses

Brexpiprazole + Rifabutin

Gravité: Majeure

Brexpiprazole and Rifabutin: major interaction.

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Résumé

Rifabutin induces CYP3A4, though less potently than rifampicin, and may lower brexpiprazole concentrations. Reduced efficacy is possible.

Ce que signifie cette interaction, en termes simples

Brexpiprazole and Rifabutin 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.

Brexpiprazole belongs to Central Nervous System; Rifabutin belongs to Anti Bacterial.

Niveau de preuve: Moderate

Pourquoi elle survient

Rifabutin induces CYP3A4, increasing brexpiprazole clearance.

Conduite à tenir

Increase the brexpiprazole dose toward twice the usual dose over 1 to 2 weeks and monitor response. Reduce it again when rifabutin is stopped.

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 Brexpiprazole with Rifabutin?

MediHelp rates the interaction as major. Brexpiprazole and Rifabutin 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. Rifabutin induces CYP3A4, though less potently than rifampicin, and may lower brexpiprazole concentrations. Reduced efficacy is possible.

How serious is the interaction between Brexpiprazole and Rifabutin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Increase the brexpiprazole dose toward twice the usual dose over 1 to 2 weeks and monitor response. Reduce it again when rifabutin is stopped.

What other medicines interact with Brexpiprazole?

MediHelp also lists interactions of Brexpiprazole with, for example, Alfentanil, Amisulpride, Apalutamide. The full list is on the Brexpiprazole 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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