Colchicine (for Cardioprotection)/Moderate CYP3A4 Inhibitors Interactions
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Medical warning:
Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Your medicine may slow down how quickly your body processes colchicine.
What might happen:
The amount of colchicine in your blood may increase. You may have a higher risk of experiencing side effects. Deaths have been reported.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know right away that you are taking these medicines together or if you have taken your other medicine with colchicine in the previous 14 days.Make sure your doctor knows if you have any kidney or liver problems, which may make the interaction worse. Your doctor may need to change your medicine.Let your doctor know right away if you have vomiting; abdominal pain or nausea; severe diarrhea; any unexplained muscle weakness or pain, numbness or tingling in the fingers or toes; unusual bleeding or bruising; feeling weak or tired; increased infections; or pale or gray color of the lips, tongue, or palms of hands.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
- 1.Lodoco (colchicine) US prescribing information. AGEPHA Pharma USA, LLC June, 2023.
- 2.Anonymous. Information for Healthcare Professionals: New Safety Information for Colchicine (marketed as Colcrys). Available at: https://www.fda.gov/drugs/postmarket-drug-safety-information-patients-and- providers/colchicine-marketed-colcrys-information July 30, 2009.
- 3.Lexiva (fosamprenavir calcium) US prescribing information. GlaxoSmithKline March, 2019.
- 4.Caraco Y, Putterman C, Rahamimov R, Ben-Chetrit E. Acute colchicine intoxication--possible role of erythromycin administration. J Rheumatol 1992 Mar;19(3):494-6.
- 5.US Food and Drug Administration (FDA). Drug Development and Drug Interactions: Table of Substrates, Inhibitors and Inducers. Available at: https://www.fda.gov/drugs/drug-interactions-labeling/drug-development-and- drug-interactions-table-substrates-inhibitors-and-inducers. Updated 11/14/2017.
- 6.This information is based on an extract from the Certara Drug Interaction Database (DIDB) Platform, Copyright Certara 1999-2023..
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.