Drug interactions
Belzutifan + Colchicine
Severity: Moderate
Belzutifan and Colchicine: 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
Belzutifan can induce CYP3A4 and may lower colchicine exposure, potentially reducing its effect in gout flares or prophylaxis. The effect is a loss of efficacy rather than toxicity.
What this interaction means in plain words
Belzutifan and Colchicine 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.
Belzutifan belongs to Miscellaneous; Colchicine belongs to Genitourinary.
Why it happens
Belzutifan induces CYP3A4, increasing metabolic clearance of colchicine.
What to do
Monitor for reduced colchicine response and adjust the dose according to clinical effect, staying within labeled maximums. Recheck the response when belzutifan is started or stopped.
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 Colchicine
- Clarithromycin + Colchicine Contraindicated
- Cobicistat + Colchicine Contraindicated
- Colchicine + Cyclosporine Contraindicated
- Colchicine + Ensitrelvir Contraindicated
- Colchicine + Levoketoconazole Contraindicated
- Colchicine + Nirmatrelvir Contraindicated
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Colchicine?
MediHelp rates the interaction as moderate. Belzutifan and Colchicine 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. Belzutifan can induce CYP3A4 and may lower colchicine exposure, potentially reducing its effect in gout flares or prophylaxis. The effect is a loss of efficacy rather than toxicity.
How serious is the interaction between Belzutifan and Colchicine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced colchicine response and adjust the dose according to clinical effect, staying within labeled maximums. Recheck the response when belzutifan is started or stopped.
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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