Drug interactions
Rifampin + Triamcinolone
Severity: Moderate
Rifampin and Triamcinolone: moderate 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
Rifampin strongly induces CYP3A4 and can lower triamcinolone concentrations, reducing its anti-inflammatory effect. Disease control may be lost, and in adrenal insufficiency replacement may be inadequate.
What this interaction means in plain words
Rifampin and Triamcinolone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Induction of CYP3A4 increases the metabolic clearance of triamcinolone.
What to do
Monitor clinical response and increase the corticosteroid dose if efficacy is inadequate, or choose an alternative anti-inflammatory approach. Reassess the dose when rifampin is stopped.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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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
Frequently asked questions
Can I take Rifampin with Triamcinolone?
MediHelp rates the interaction as moderate. Rifampin and Triamcinolone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Rifampin strongly induces CYP3A4 and can lower triamcinolone concentrations, reducing its anti-inflammatory effect. Disease control may be lost, and in adrenal insufficiency replacement may be inadequate.
How serious is the interaction between Rifampin and Triamcinolone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor clinical response and increase the corticosteroid dose if efficacy is inadequate, or choose an alternative anti-inflammatory approach. Reassess the dose when rifampin is stopped.
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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