Drug interactions
Nifedipine + Triamcinolone
Severity: Minor
Nifedipine and Triamcinolone: minor 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
Nifedipine is a CYP3A4 substrate with at most weak inhibitory activity, so a meaningful rise in triamcinolone exposure is unlikely. The interaction is largely theoretical.
What this interaction means in plain words
Nifedipine and Triamcinolone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Nifedipine belongs to Cardiovascular; Triamcinolone belongs to Endocrine.
Why it happens
Possible weak competition for CYP3A4 metabolism, not well established.
What to do
No routine adjustment is needed. Be aware of increased corticosteroid effects if they occur.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Nifedipine
Frequently asked questions
Can I take Nifedipine with Triamcinolone?
MediHelp rates the interaction as minor. Nifedipine and Triamcinolone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nifedipine is a CYP3A4 substrate with at most weak inhibitory activity, so a meaningful rise in triamcinolone exposure is unlikely. The interaction is largely theoretical.
How serious is the interaction between Nifedipine and Triamcinolone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed. Be aware of increased corticosteroid effects if they occur.
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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