Drug interactions
Colchicine + Erdafitinib
Severity: Major
Colchicine and Erdafitinib: major 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
Erdafitinib inhibits P-glycoprotein and may increase colchicine exposure. Colchicine has a narrow therapeutic index, so higher levels may cause serious toxicity.
What this interaction means in plain words
Colchicine and Erdafitinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Colchicine belongs to Genitourinary; Erdafitinib belongs to Oncology.
Why it happens
P-gp inhibition by erdafitinib reduces colchicine efflux and clearance.
What to do
If unavoidable, separate colchicine from erdafitinib by at least 6 hours, consider reducing the colchicine dose, and monitor for toxicity.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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 Erdafitinib
Frequently asked questions
Can I take Colchicine with Erdafitinib?
MediHelp rates the interaction as major. Colchicine and Erdafitinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Erdafitinib inhibits P-glycoprotein and may increase colchicine exposure. Colchicine has a narrow therapeutic index, so higher levels may cause serious toxicity.
How serious is the interaction between Colchicine and Erdafitinib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: If unavoidable, separate colchicine from erdafitinib by at least 6 hours, consider reducing the colchicine dose, and monitor for toxicity.
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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