Drug interactions
Triamcinolone + Warfarin
Severity: Moderate
Triamcinolone and Warfarin: 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
Corticosteroids can change the anticoagulant response to warfarin, usually increasing INR, and may also add to bleeding risk through gastric mucosal injury. The direction and size of the effect vary between patients.
What this interaction means in plain words
Triamcinolone and Warfarin 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.
Triamcinolone belongs to Endocrine; Warfarin belongs to Cardiovascular.
Why it happens
Not clearly established; possible effects on coagulation factors and vitamin K-dependent clotting, plus additive gastrointestinal bleeding risk.
What to do
Check INR within a few days of starting or changing triamcinolone treatment and adjust the warfarin dose accordingly. Watch for signs of bleeding.
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
Other interactions of Warfarin
- Defibrotide + Warfarin Contraindicated
- Ketorolac + Warfarin Contraindicated
- Abciximab + Warfarin Major
- Acetylsalicylic acid + Warfarin Major
- Adagrasib + Warfarin Major
- Amiodarone + Warfarin Major
Frequently asked questions
Can I take Triamcinolone with Warfarin?
MediHelp rates the interaction as moderate. Triamcinolone and Warfarin 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. Corticosteroids can change the anticoagulant response to warfarin, usually increasing INR, and may also add to bleeding risk through gastric mucosal injury. The direction and size of the effect vary between patients.
How serious is the interaction between Triamcinolone and Warfarin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check INR within a few days of starting or changing triamcinolone treatment and adjust the warfarin dose accordingly. Watch for signs of bleeding.
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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