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Interactions médicamenteuses

Atazanavir + Chlordiazepoxide

Gravité: Majeure

Atazanavir and Chlordiazepoxide: major interaction.

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Résumé

Atazanavir, usually boosted with ritonavir or cobicistat, inhibits CYP3A4 and may raise chlordiazepoxide and its active metabolites. This can lead to prolonged sedation and respiratory depression.

Ce que signifie cette interaction, en termes simples

Atazanavir and Chlordiazepoxide 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.

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

Niveau de preuve: Moderate

Pourquoi elle survient

Inhibition of CYP3A4-mediated chlordiazepoxide metabolism.

Conduite à tenir

Use a reduced chlordiazepoxide dose with monitoring for oversedation, or switch to lorazepam or oxazepam.

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 Atazanavir with Chlordiazepoxide?

MediHelp rates the interaction as major. Atazanavir and Chlordiazepoxide 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. Atazanavir, usually boosted with ritonavir or cobicistat, inhibits CYP3A4 and may raise chlordiazepoxide and its active metabolites. This can lead to prolonged sedation and respiratory depression.

How serious is the interaction between Atazanavir and Chlordiazepoxide?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use a reduced chlordiazepoxide dose with monitoring for oversedation, or switch to lorazepam or oxazepam.

What other medicines interact with Chlordiazepoxide?

MediHelp also lists interactions of Chlordiazepoxide with, for example, Alfentanil, Alprazolam, Amobarbital. The full list is on the Chlordiazepoxide 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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