Drug interactions
Metronidazole + Triamcinolone
Severity: Minor
Metronidazole 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
Metronidazole is not a recognized significant CYP3A4 inhibitor, so a clinically relevant rise in triamcinolone exposure is unlikely. Any interaction is theoretical.
What this interaction means in plain words
Metronidazole 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.
Metronidazole belongs to Anti Parasitic; Triamcinolone belongs to Endocrine.
Why it happens
Possible weak CYP3A4 inhibition has been proposed but is not well established.
What to do
No routine adjustment is needed. Watch for increased corticosteroid effects if therapy is prolonged.
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 Metronidazole
- Ethanol + Metronidazole Contraindicated
- Metronidazole + Pimozide Contraindicated
- Amiodarone + Metronidazole Major
- Disulfiram + Metronidazole Major
- Ergotamine + Metronidazole Major
- Lomitapide + Metronidazole Major
Frequently asked questions
Can I take Metronidazole with Triamcinolone?
MediHelp rates the interaction as minor. Metronidazole 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. Metronidazole is not a recognized significant CYP3A4 inhibitor, so a clinically relevant rise in triamcinolone exposure is unlikely. Any interaction is theoretical.
How serious is the interaction between Metronidazole 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. Watch for increased corticosteroid effects if therapy is prolonged.
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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