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Interactions médicamenteuses

Eplerenone + Ritonavir

Gravité: Contre-indiquée

Eplerenone and Ritonavir: contraindicated interaction.

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Résumé

Ritonavir is a strong CYP3A4 inhibitor and markedly increases eplerenone exposure. This raises the risk of dangerous hyperkalemia, and strong CYP3A4 inhibitors are contraindicated with eplerenone in labeling.

Ce que signifie cette interaction, en termes simples

Eplerenone and Ritonavir are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Eplerenone belongs to Cardiovascular; Ritonavir belongs to Anti Virals.

Niveau de preuve: High

Pourquoi elle survient

Ritonavir strongly inhibits CYP3A4, blocking the main metabolic pathway of eplerenone.

Conduite à tenir

Do not combine; use an alternative antiretroviral or a different mineralocorticoid antagonist strategy. If exposure occurs, monitor potassium closely.

Questions à poser à votre pharmacien

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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 Eplerenone with Ritonavir?

MediHelp rates the interaction as contraindicated. Eplerenone and Ritonavir are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Ritonavir is a strong CYP3A4 inhibitor and markedly increases eplerenone exposure. This raises the risk of dangerous hyperkalemia, and strong CYP3A4 inhibitors are contraindicated with eplerenone in labeling.

How serious is the interaction between Eplerenone and Ritonavir?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not combine; use an alternative antiretroviral or a different mineralocorticoid antagonist strategy. If exposure occurs, monitor potassium closely.

What other medicines interact with Eplerenone?

MediHelp also lists interactions of Eplerenone with, for example, Amiloride, Atazanavir, Clarithromycin. The full list is on the Eplerenone page.

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