Drug interactions
Axitinib + Voriconazole
Severity: Major
Axitinib and Voriconazole: major interaction.
Last updated Sources: US FDA label
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Voriconazole increases axitinib exposure, raising the risk of hypertension, diarrhea, fatigue and other dose-related toxicities.
What this interaction means in plain words
Axitinib and Voriconazole can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Axitinib belongs to Oncology; Voriconazole belongs to Anti Fungals.
Why it happens
Voriconazole inhibits CYP3A4, the main metabolic pathway of axitinib.
What to do
Choose an antifungal that does not strongly inhibit CYP3A4 if feasible. Otherwise reduce the axitinib dose by about half and monitor blood pressure and toxicity.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Voriconazole
- Avanafil + Voriconazole Contraindicated
- Butabarbital + Voriconazole Contraindicated
- Carbamazepine + Voriconazole Contraindicated
- Conivaptan + Voriconazole Contraindicated
- Dihydroergotamine intranasal + Voriconazole Contraindicated
- Dihydroergotamine + Voriconazole Contraindicated
Other interactions of Axitinib
- Amobarbital + Axitinib Major
- Apalutamide + Axitinib Major
- Atazanavir + Axitinib Major
- Axitinib + Carbamazepine Major
- Axitinib + Clarithromycin Major
- Axitinib + Cobicistat Major
Frequently asked questions
Can I take Axitinib with Voriconazole?
MediHelp rates the interaction as major. Axitinib and Voriconazole can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Voriconazole increases axitinib exposure, raising the risk of hypertension, diarrhea, fatigue and other dose-related toxicities.
How serious is the interaction between Axitinib and Voriconazole?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Choose an antifungal that does not strongly inhibit CYP3A4 if feasible. Otherwise reduce the axitinib dose by about half and monitor blood pressure and toxicity.
What other medicines interact with Voriconazole?
MediHelp also lists interactions of Voriconazole with, for example, Avanafil, Butabarbital, Carbamazepine. The full list is on the Voriconazole page.
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