Drug interactions
Palovarotene + Voriconazole
Severity: Major
Palovarotene and Voriconazole: 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
Voriconazole is expected to raise palovarotene concentrations, increasing retinoid toxicities such as mucocutaneous effects, premature epiphyseal closure and hypervitaminosis A-like symptoms.
What this interaction means in plain words
Palovarotene 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.
Palovarotene belongs to Miscellaneous; Voriconazole belongs to Anti Fungals.
Why it happens
Strong CYP3A4 inhibition by voriconazole reduces palovarotene metabolism.
What to do
Avoid the combination if possible; if needed, monitor for retinoid toxicity and consider palovarotene dose reduction per labeling.
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 Voriconazole
- Avanafil + Voriconazole Contraindicated
- Butabarbital + Voriconazole Contraindicated
- Carbamazepine + Voriconazole Contraindicated
- Conivaptan + Voriconazole Contraindicated
- Dihydroergotamine intranasal + Voriconazole Contraindicated
- Dihydroergotamine + Voriconazole Contraindicated
Other interactions of Palovarotene
- Acitretin + Palovarotene Contraindicated
- Isotretinoin + Palovarotene Contraindicated
- Amiodarone + Palovarotene Major
- Amobarbital + Palovarotene Major
- Apalutamide + Palovarotene Major
- Aprepitant + Palovarotene Major
Frequently asked questions
Can I take Palovarotene with Voriconazole?
MediHelp rates the interaction as major. Palovarotene 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 is expected to raise palovarotene concentrations, increasing retinoid toxicities such as mucocutaneous effects, premature epiphyseal closure and hypervitaminosis A-like symptoms.
How serious is the interaction between Palovarotene 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: Avoid the combination if possible; if needed, monitor for retinoid toxicity and consider palovarotene dose reduction per labeling.
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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