Drug interactions
Atazanavir + Triamcinolone
Severity: Major
Atazanavir and Triamcinolone: 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
Atazanavir, a CYP3A4 inhibitor, can markedly raise triamcinolone exposure, particularly with ritonavir or cobicistat boosting. This can cause iatrogenic Cushing syndrome and adrenal suppression, even after intra-articular or epidural injection.
What this interaction means in plain words
Atazanavir and Triamcinolone 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.
Atazanavir belongs to Anti Virals; Triamcinolone belongs to Endocrine.
Why it happens
Inhibition of CYP3A4-mediated triamcinolone metabolism.
What to do
Avoid long-term or repeated triamcinolone with boosted protease inhibitors where possible, or choose a less CYP3A4-dependent steroid such as beclomethasone or prednisolone. If used, monitor for Cushingoid features and adrenal suppression.
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
- Axicabtagene ciloleucel + Triamcinolone Major
- Bcg vaccine live + Triamcinolone Major
Other interactions of Atazanavir
- Alfuzosin + Atazanavir Contraindicated
- Atazanavir + Avanafil Contraindicated
- Atazanavir + Dronedarone Contraindicated
- Atazanavir + Eletriptan Contraindicated
- Atazanavir + Eplerenone Contraindicated
- Atazanavir + Ergotamine Contraindicated
Frequently asked questions
Can I take Atazanavir with Triamcinolone?
MediHelp rates the interaction as major. Atazanavir and Triamcinolone 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. Atazanavir, a CYP3A4 inhibitor, can markedly raise triamcinolone exposure, particularly with ritonavir or cobicistat boosting. This can cause iatrogenic Cushing syndrome and adrenal suppression, even after intra-articular or epidural injection.
How serious is the interaction between Atazanavir and Triamcinolone?
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 long-term or repeated triamcinolone with boosted protease inhibitors where possible, or choose a less CYP3A4-dependent steroid such as beclomethasone or prednisolone. If used, monitor for Cushingoid features and adrenal suppression.
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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