Drug interactions
Cabozantinib + Itraconazole
Severity: Major
Cabozantinib and Itraconazole: major interaction.
Last updated
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
Itraconazole increases cabozantinib exposure, which may worsen diarrhea, hypertension, hand-foot syndrome, hemorrhage and hepatotoxicity.
What this interaction means in plain words
Cabozantinib and Itraconazole 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.
Cabozantinib belongs to Oncology; Itraconazole belongs to Anti Fungals.
Why it happens
Itraconazole strongly inhibits CYP3A4, which metabolizes cabozantinib.
What to do
Avoid the combination if possible. If a strong inhibitor is required, reduce the cabozantinib dose per labeling and resume the earlier dose 2-3 days after stopping itraconazole.
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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Other interactions of Itraconazole
- Alfuzosin + Itraconazole Contraindicated
- Alprazolam + Itraconazole Contraindicated
- Avanafil + Itraconazole Contraindicated
- Conivaptan + Itraconazole Contraindicated
- Dihydroergotamine intranasal + Itraconazole Contraindicated
- Dihydroergotamine + Itraconazole Contraindicated
Other interactions of Cabozantinib
Frequently asked questions
Can I take Cabozantinib with Itraconazole?
MediHelp rates the interaction as major. Cabozantinib and Itraconazole 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. Itraconazole increases cabozantinib exposure, which may worsen diarrhea, hypertension, hand-foot syndrome, hemorrhage and hepatotoxicity.
How serious is the interaction between Cabozantinib and Itraconazole?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination if possible. If a strong inhibitor is required, reduce the cabozantinib dose per labeling and resume the earlier dose 2-3 days after stopping itraconazole.
What other medicines interact with Itraconazole?
MediHelp also lists interactions of Itraconazole with, for example, Alfuzosin, Alprazolam, Avanafil. The full list is on the Itraconazole page.
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