Interações medicamentosas
Ketoconazole + Rifaximin
Gravidade: Moderada
Ketoconazole and Rifaximin: moderate interaction.
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Resumo
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.
O que esta interação significa em palavras 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.
Por que acontece
P-glycoprotein inhibition by ketoconazole decreases rifaximin efflux.
O que fazer
Monitor for rifaximin adverse effects and avoid dose escalation, particularly in hepatic impairment.
O que perguntar ao farmacêutico
- 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?
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Outras interações de Rifaximin
- Cholera vaccine + Rifaximin Grave
- Microbiota + Rifaximin Grave
- Amiodarone + Rifaximin Moderada
- Bcg intravesical live + Rifaximin Moderada
- Cyclosporine + Rifaximin Moderada
- Cyclosporin + Rifaximin Moderada
Outras interações de Ketoconazole
- Alfuzosin + Ketoconazole Contraindicada
- Alprazolam + Ketoconazole Contraindicada
- Avanafil + Ketoconazole Contraindicada
- Conivaptan + Ketoconazole Contraindicada
- Dihydroergotamine intranasal + Ketoconazole Contraindicada
- Dihydroergotamine + Ketoconazole Contraindicada
Perguntas frequentes
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.
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