Drug interactions
Triamcinolone + Voriconazole
Severity: Major
Triamcinolone 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 strongly inhibits CYP3A4 and can substantially raise triamcinolone exposure, with reports of iatrogenic Cushing's syndrome and adrenal suppression. The risk applies to systemic, intra-articular and inhaled use.
What this interaction means in plain words
Triamcinolone 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.
Triamcinolone belongs to Endocrine; Voriconazole belongs to Anti Fungals.
Why it happens
Voriconazole inhibits CYP3A4-mediated metabolism of triamcinolone, markedly reducing its clearance.
What to do
Avoid the combination where possible and use a corticosteroid less dependent on CYP3A4, such as prednisolone. If it must be used, monitor for Cushingoid features, hyperglycemia and adrenal suppression and consider dose reduction.
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 Triamcinolone
- Smallpox vaccine live + Triamcinolone Contraindicated
- Triamcinolone + Zoster vaccine live Contraindicated
- Adenovirus types 4 and 7 live + Triamcinolone Major
- Aldesleukin + Triamcinolone Major
- Atazanavir + Triamcinolone Major
- Axicabtagene ciloleucel + Triamcinolone Major
Other interactions of Voriconazole
- Avanafil + Voriconazole Contraindicated
- Butabarbital + Voriconazole Contraindicated
- Carbamazepine + Voriconazole Contraindicated
- Conivaptan + Voriconazole Contraindicated
- Dihydroergotamine intranasal + Voriconazole Contraindicated
- Dihydroergotamine + Voriconazole Contraindicated
Frequently asked questions
Can I take Triamcinolone with Voriconazole?
MediHelp rates the interaction as major. Triamcinolone 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 strongly inhibits CYP3A4 and can substantially raise triamcinolone exposure, with reports of iatrogenic Cushing's syndrome and adrenal suppression. The risk applies to systemic, intra-articular and inhaled use.
How serious is the interaction between Triamcinolone 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 where possible and use a corticosteroid less dependent on CYP3A4, such as prednisolone. If it must be used, monitor for Cushingoid features, hyperglycemia and adrenal suppression and consider dose reduction.
What other medicines interact with Triamcinolone?
MediHelp also lists interactions of Triamcinolone with, for example, Smallpox vaccine live, Zoster vaccine live, Adenovirus types 4 and 7 live. The full list is on the Triamcinolone page.
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