Drug interactions
Colchicine + Dexamethasone
Severity: Minor
Colchicine and Dexamethasone: 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
Dexamethasone is a mild to moderate CYP3A4 inducer and may lower colchicine levels. The clinical effect is likely modest and could reduce efficacy.
What this interaction means in plain words
Colchicine and Dexamethasone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Colchicine belongs to Genitourinary; Dexamethasone belongs to Endocrine.
Why it happens
Dexamethasone induces CYP3A4 and may increase colchicine metabolism.
What to do
Monitor response to colchicine during prolonged dexamethasone therapy. Adjust the dose only if efficacy is inadequate.
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 Colchicine
- Clarithromycin + Colchicine Contraindicated
- Cobicistat + Colchicine Contraindicated
- Colchicine + Cyclosporine Contraindicated
- Colchicine + Ensitrelvir Contraindicated
- Colchicine + Levoketoconazole Contraindicated
- Colchicine + Nirmatrelvir Contraindicated
Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Colchicine with Dexamethasone?
MediHelp rates the interaction as minor. Colchicine and Dexamethasone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dexamethasone is a mild to moderate CYP3A4 inducer and may lower colchicine levels. The clinical effect is likely modest and could reduce efficacy.
How serious is the interaction between Colchicine and Dexamethasone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor response to colchicine during prolonged dexamethasone therapy. Adjust the dose only if efficacy is inadequate.
What other medicines interact with Colchicine?
MediHelp also lists interactions of Colchicine with, for example, Clarithromycin, Cobicistat, Cyclosporine. The full list is on the Colchicine page.
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