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Interazioni tra farmaci

Itraconazole + Rifaximin

Gravità: Moderata

Itraconazole and Rifaximin: moderate interaction.

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Sintesi

Itraconazole is a strong P-glycoprotein inhibitor and can raise systemic rifaximin exposure. The effect is generally modest but may be more relevant in severe liver disease.

Cosa significa questa interazione in parole semplici

Itraconazole 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.

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

Livello di evidenza: Moderate

Perché avviene

P-glycoprotein inhibition by itraconazole reduces intestinal efflux of rifaximin.

Cosa fare

Use usual rifaximin doses and monitor for adverse effects; be especially watchful in patients with Child-Pugh C disease.

Cosa chiedere al farmacista

  • 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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Domande frequenti

Can I take Itraconazole with Rifaximin?

MediHelp rates the interaction as moderate. Itraconazole 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. Itraconazole is a strong P-glycoprotein inhibitor and can raise systemic rifaximin exposure. The effect is generally modest but may be more relevant in severe liver disease.

How serious is the interaction between Itraconazole 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: Use usual rifaximin doses and monitor for adverse effects; be especially watchful in patients with Child-Pugh C disease.

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.

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