Norethindrone and Colchicine Interaction
Drug interaction information between Norethindrone and Colchicine.
Norethindrone and Colchicine have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Norethindrone and Colchicine. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.
How They Interact
There is no known significant interaction between these two medications. They do not interfere with how each other is processed by the body.
What To Do
You can typically take these medications together without any dose changes. Continue to follow your doctor's instructions for both.
FDA Label Information
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) Ketoconazole 200 mg twice daily, 5 days 0.6 mg single dose 24 101.7 (19.6 to 219.0) 212.2 (76.7 to 419.6)...
Norethindrone Also Interacts With
- Voriconazole major
- Atorvastatin minor
- Colesevelam minor
- Darunavir minor
- Fluconazole minor
Colchicine Also Interacts With
- Clarithromycin major
- Darunavir major
- Itraconazole major
- Nirmatrelvir/Ritonavir major
- Atorvastatin moderate
Frequently Asked Questions
Can I take Norethindrone and Colchicine together?
This is a minor interaction. You can typically take these medications together without any dose changes. Continue to follow your doctor's instructions for both.
How serious is the interaction between Norethindrone and Colchicine?
This interaction is classified as "minor" severity by the FDA. Minor interactions are unlikely to cause significant problems but should still be mentioned to your healthcare provider.
Why do Norethindrone and Colchicine interact?
There is no known significant interaction between these two medications. They do not interfere with how each other is processed by the body.
Understanding the Norethindrone and Colchicine Interaction
FDA-approved prescribing information for these two drugs flags their combination as a minor-severity interaction. Norethindrone belongs to the Progestin-Only Oral Contraceptive class and Colchicine belongs to the Anti-Gout Agent class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: There is no known significant interaction between these two medications. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.
Context around a specific patient determines real-world impact. Norethindrone has 10 total documented interactions on file in this dataset, and Colchicine has 28. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: You can typically take these medications together without any dose changes. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.
An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Norethindrone or Colchicine based on a web page, speak with your prescriber or pharmacist before making any change.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.
Read our methodology - how this data is sourced, computed, and verified.