Does Colchicine Interact With Estradiol?
Drug Interactions: Pharmacokinetic Parameters for Colchicine Tablets in the Presence of the Coadministered Drug Coadministered Drug Dose of Coadministered Drug (mg) Dose of Colchicine Tablets (mg) N % Change in Colchicine Concentrations from Baseline (Range: Min – Max) C max AUC 0-t Cyclosporine 100 mg single dose 0.6 mg single dose 23 270.0 (62.0 to 606.9) 259.0 (75.8 to 511.9) Clarithromycin 250 mg twice daily, 7 days 0.6 mg single dose 23 227.2 (65.7 to 591.1) 281.5 (88.7 to 851.6) Ketocon…
Severity: Minor
Severity basis: drug interactions section. Combining Colchicine (Anti-gout agent) and Estradiol (Estrogen) is classified as a minor interaction.
What to Do
This is generally a minor interaction, but review it with your pharmacist to be sure it is safe for you.
From the FDA Label
Drug Interactions: Pharmacokinetic Parameters for Colchicine Tablets in the Presence of the Coadministered Drug Coadministered Drug Dose of Coadministered Drug (mg) Dose of Colchicine Tablets (mg) N % Change in Colchicine Concentrations from Baseline (Range: Min – Max) C max AUC 0-t Cyclosporine 100 mg single dose 0.6 mg single dose 23 270.0 (62.0 to 606.9) 259.0 (75.8 to 511.9) Clarithromycin 250 mg twice daily, 7 days 0.6 mg single dose 23 227.2 (65.7 to 591.1) 281.5 (88.7 to 851.6) Ketocon…
Source: FDA structured product labeling (set_id 0f69b9c6-8c00-45e2-b950-34dc5ae62352).
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This information is educational — not medical advice.
This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.
Other Colchicine Interactions
- Colchicine + Clarithromycin(contraindicated)
- Colchicine + Itraconazole(contraindicated)
- Colchicine + Atorvastatin(moderate)
- Colchicine + Cyclosporine(moderate)
- Colchicine + Fenofibrate(moderate)
- Colchicine + Gemfibrozil(moderate)
- Colchicine + Lovastatin(moderate)
- Colchicine + Pravastatin(moderate)
- Colchicine + Simvastatin(moderate)
- Colchicine + Allopurinol(minor)
- Colchicine + Azithromycin(minor)
- Colchicine + Digoxin(minor)
- Colchicine + Diltiazem(minor)
- Colchicine + Ketoconazole(minor)
- Colchicine + Rosuvastatin(minor)
- Colchicine + Verapamil(minor)