Drug interactions
Posaconazole + Voclosporin
Severity: Contraindicated
Posaconazole 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
Posaconazole can sharply increase voclosporin exposure, raising the risk of nephrotoxicity, hypertension, neurotoxicity and infection from over-immunosuppression.
What this interaction means in plain words
Posaconazole 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.
Posaconazole belongs to Anti Fungals; Voclosporin belongs to Miscellaneous.
Why it happens
Posaconazole strongly inhibits CYP3A4, which metabolizes voclosporin.
What to do
Avoid the combination per labeling. Use a non-azole antifungal option.
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 Posaconazole
- Artemether + Posaconazole Contraindicated
- Avanafil + Posaconazole Contraindicated
- Cobimetinib + Posaconazole Contraindicated
- Conivaptan + Posaconazole Contraindicated
- Dihydroergotamine intranasal + Posaconazole Contraindicated
- Dihydroergotamine + Posaconazole Contraindicated
Other interactions of Voclosporin
- Clarithromycin + Voclosporin Contraindicated
- Cyclosporin + Voclosporin Contraindicated
- Ensitrelvir + Voclosporin Contraindicated
- Itraconazole + Voclosporin Contraindicated
- Ketoconazole + Voclosporin Contraindicated
- Voclosporin + Voriconazole Contraindicated
Frequently asked questions
Can I take Posaconazole with Voclosporin?
MediHelp rates the interaction as contraindicated. Posaconazole 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. Posaconazole can sharply increase voclosporin exposure, raising the risk of nephrotoxicity, hypertension, neurotoxicity and infection from over-immunosuppression.
How serious is the interaction between Posaconazole 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 the combination per labeling. Use a non-azole antifungal option.
What other medicines interact with Posaconazole?
MediHelp also lists interactions of Posaconazole with, for example, Artemether, Avanafil, Cobimetinib. The full list is on the Posaconazole page.
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