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Interactions médicamenteuses

Atazanavir + Pantoprazole

Gravité: Majeure

Atazanavir and Pantoprazole: major interaction.

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Résumé

Atazanavir needs an acidic environment for dissolution, and pantoprazole markedly reduces its absorption. This can lead to subtherapeutic antiretroviral levels, virologic failure and resistance.

Ce que signifie cette interaction, en termes simples

Atazanavir and Pantoprazole 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; Pantoprazole belongs to Gastrointestinal Tract.

Niveau de preuve: High

Pourquoi elle survient

Elevated gastric pH reduces atazanavir solubility and oral absorption.

Conduite à tenir

Avoid in treatment-experienced patients; in treatment-naive patients follow labeling with ritonavir boosting, limited PPI dose and staggered timing, with virologic monitoring.

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 Pantoprazole?

MediHelp rates the interaction as major. Atazanavir and Pantoprazole 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 needs an acidic environment for dissolution, and pantoprazole markedly reduces its absorption. This can lead to subtherapeutic antiretroviral levels, virologic failure and resistance.

How serious is the interaction between Atazanavir and Pantoprazole?

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 in treatment-experienced patients; in treatment-naive patients follow labeling with ritonavir boosting, limited PPI dose and staggered timing, with virologic monitoring.

What other medicines interact with Pantoprazole?

MediHelp also lists interactions of Pantoprazole with, for example, Rilpivirine, Acalabrutinib, Dacomitinib. The full list is on the Pantoprazole page.

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