Potential Drug Interactions with Quercetin

What are the potential drug interactions with quercetin supplements?

Given quercetin’s potent effects, it may enhance or interfere with certain prescribed medications and treatments, such as:

By inhibiting actions of the protein in cell membranes responsible for transporting a number of different drugs (e.g., Cardizem®, Zantac™, Allegra®, and Lanoxin™), quercetin may increase the absorption and the risk of side effects.19

Disclaimer: This website is not intended to replace professional consultation, diagnosis, or treatment by a licensed physician. If you require any medical related advice, contact your physician promptly. Information presented on this website is exclusively of a general reference nature. Do not disregard medical advice or delay treatment as a result of accessing information at this site.
An immunosuppressant drug typically used to treat
rheumatoid arthritis and psoriasis.