Drug interactions
Ketoconazole + Voclosporin
Severity: Contraindicated
Ketoconazole and Voclosporin: contraindicated 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
Ketoconazole substantially increases voclosporin exposure, raising the risk of nephrotoxicity, hypertension and other calcineurin inhibitor toxicity. Labeling contraindicates strong CYP3A4 inhibitors.
What this interaction means in plain words
Ketoconazole and Voclosporin 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.
Ketoconazole belongs to Anti Fungals; Voclosporin belongs to Miscellaneous.
Why it happens
Strong CYP3A4 inhibition decreases voclosporin clearance.
What to do
Avoid. Choose an antifungal without strong CYP3A4 inhibition and monitor renal function.
What to ask your pharmacist
- 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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Other interactions of Ketoconazole
- Alfuzosin + Ketoconazole Contraindicated
- Alprazolam + Ketoconazole Contraindicated
- Avanafil + Ketoconazole Contraindicated
- Conivaptan + Ketoconazole Contraindicated
- Dihydroergotamine intranasal + Ketoconazole Contraindicated
- Dihydroergotamine + Ketoconazole Contraindicated
Other interactions of Voclosporin
- Clarithromycin + Voclosporin Contraindicated
- Cyclosporin + Voclosporin Contraindicated
- Ensitrelvir + Voclosporin Contraindicated
- Itraconazole + Voclosporin Contraindicated
- Posaconazole + Voclosporin Contraindicated
- Voclosporin + Voriconazole Contraindicated
Frequently asked questions
Can I take Ketoconazole with Voclosporin?
MediHelp rates the interaction as contraindicated. Ketoconazole and Voclosporin 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. Ketoconazole substantially increases voclosporin exposure, raising the risk of nephrotoxicity, hypertension and other calcineurin inhibitor toxicity. Labeling contraindicates strong CYP3A4 inhibitors.
How serious is the interaction between Ketoconazole and Voclosporin?
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. Choose an antifungal without strong CYP3A4 inhibition and monitor renal function.
What other medicines interact with Ketoconazole?
MediHelp also lists interactions of Ketoconazole with, for example, Alfuzosin, Alprazolam, Avanafil. The full list is on the Ketoconazole page.
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