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Interactions médicamenteuses

Ketoconazole + Rifaximin

Gravité: Modérée

Ketoconazole and Rifaximin: moderate interaction.

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Résumé

Ketoconazole inhibits P-glycoprotein and may increase absorbed rifaximin. Because baseline systemic exposure is very low, the impact is usually small but could matter in severe hepatic dysfunction.

Ce que signifie cette interaction, en termes simples

Ketoconazole and Rifaximin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Ketoconazole belongs to Anti Fungals; Rifaximin belongs to Anti Bacterial.

Niveau de preuve: Low

Pourquoi elle survient

P-glycoprotein inhibition by ketoconazole decreases rifaximin efflux.

Conduite à tenir

Monitor for rifaximin adverse effects and avoid dose escalation, particularly in hepatic impairment.

Questions à poser à votre pharmacien

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Ketoconazole with Rifaximin?

MediHelp rates the interaction as moderate. Ketoconazole and Rifaximin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ketoconazole inhibits P-glycoprotein and may increase absorbed rifaximin. Because baseline systemic exposure is very low, the impact is usually small but could matter in severe hepatic dysfunction.

How serious is the interaction between Ketoconazole and Rifaximin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for rifaximin adverse effects and avoid dose escalation, particularly in hepatic impairment.

What other medicines interact with Rifaximin?

MediHelp also lists interactions of Rifaximin with, for example, Cholera vaccine, Microbiota, Amiodarone. The full list is on the Rifaximin page.

Monographies complètes, posologies et vérificateur d'interactions dans l'application MediHelp

Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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