Interações medicamentosas
Efavirenz + Isavuconazole
Gravidade: Contraindicada
Efavirenz and Isavuconazole: contraindicated interaction.
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Resumo
Efavirenz is a moderate CYP3A4 inducer and may lower isavuconazole exposure, compromising antifungal efficacy. Isavuconazole could also alter efavirenz concentrations.
O que esta interação significa em palavras simples
Efavirenz and Isavuconazole 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.
Efavirenz belongs to Anti Virals; Isavuconazole belongs to Anti Fungals.
Por que acontece
Efavirenz induces CYP3A4/5, accelerating isavuconazole metabolism.
O que fazer
Avoid coadministration and use an alternative antiretroviral such as an integrase inhibitor-based regimen if feasible. If combined, monitor isavuconazole levels and clinical response.
O que perguntar ao farmacêutico
- 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?
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Outras interações de Isavuconazole
- Carbamazepine + Isavuconazole Contraindicada
- Etravirine + Isavuconazole Contraindicada
- Isavuconazole + Ketoconazole Contraindicada
- Isavuconazole + Phenobarbitone Contraindicada
- Isavuconazole + Phenytoin Contraindicada
- Isavuconazole + Rifampicin Contraindicada
Outras interações de Efavirenz
- Cobimetinib + Efavirenz Contraindicada
- Dienogest / estradiol valerate + Efavirenz Contraindicada
- Dihydroergotamine intranasal + Efavirenz Contraindicada
- Dihydroergotamine + Efavirenz Contraindicada
- Doravirine + Efavirenz Contraindicada
- Efavirenz + Elbasvir / grazoprevir Contraindicada
Perguntas frequentes
Can I take Efavirenz with Isavuconazole?
MediHelp rates the interaction as contraindicated. Efavirenz and Isavuconazole 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. Efavirenz is a moderate CYP3A4 inducer and may lower isavuconazole exposure, compromising antifungal efficacy. Isavuconazole could also alter efavirenz concentrations.
How serious is the interaction between Efavirenz and Isavuconazole?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid coadministration and use an alternative antiretroviral such as an integrase inhibitor-based regimen if feasible. If combined, monitor isavuconazole levels and clinical response.
What other medicines interact with Isavuconazole?
MediHelp also lists interactions of Isavuconazole with, for example, Carbamazepine, Etravirine, Ketoconazole. The full list is on the Isavuconazole page.
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