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Interactions médicamenteuses

Atazanavir + Oxcarbazepine

Gravité: Majeure

Atazanavir and Oxcarbazepine: major interaction.

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Résumé

Oxcarbazepine may lower atazanavir concentrations, which risks virologic failure and resistance. The risk is greater when atazanavir is unboosted.

Ce que signifie cette interaction, en termes simples

Atazanavir and Oxcarbazepine 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; Oxcarbazepine belongs to Central Nervous System.

Niveau de preuve: Moderate

Pourquoi elle survient

CYP3A4 induction by oxcarbazepine increases atazanavir clearance.

Conduite à tenir

Avoid the combination if possible by using a non-inducing antiepileptic. If it is necessary, monitor HIV viral load and atazanavir trough levels.

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 Oxcarbazepine?

MediHelp rates the interaction as major. Atazanavir and Oxcarbazepine 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. Oxcarbazepine may lower atazanavir concentrations, which risks virologic failure and resistance. The risk is greater when atazanavir is unboosted.

How serious is the interaction between Atazanavir and Oxcarbazepine?

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 if possible by using a non-inducing antiepileptic. If it is necessary, monitor HIV viral load and atazanavir trough levels.

What other medicines interact with Oxcarbazepine?

MediHelp also lists interactions of Oxcarbazepine with, for example, Cabotegravir, Rilpivirine, Artemether / lumefantrine. The full list is on the Oxcarbazepine page.

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