Skip to content


    Attention All WebMD Community Members:

    These message boards are closed to posting. Please head on over to our new WebMD Message Boards to check out and participate in the great conversations taking place:

    Your new WebMD Message Boards are now open!

    Making the move is as easy as 1-2-3.

    1. Head over to this page:

    2. Choose the tag from the drop-down menu that clicks most with you (and add it to any posts you create so others can easily find and sort through posts)

    3. Start posting

    Have questions? Email us anytime at [email protected]

    Echinacea, Warfarin interaction
    ThomasDowney posted:
    I am taking Warfarin because I have a-fib, a-flutter, They are going to do a ablation on the 18th I have developed a cold and want to take some Echinacea but cant find if it will interfere with the coumadin/Warfarin. Thomas
    CardiostarUSA1 responded:
    Hi Thomas: Most important, consult with your doctor(s) first and foremost. If your doctor(s) can not be reached at this time, your local pharmacist may/can be helpful. i General info-only from the Cleveland Clinic [Pertinent snippets> Coumadin/warfarin b Precautions when taking warfarin Medications and dietary supplements Many medications and dietary supplements can affect the way warfarin works. Includes - Herbal products, natural remedies, or nutritional supplements. Products containing vitamin K. - Herbal teas and supplements Do not start consuming the following herbal teas and supplements because they may affect the INR, causing it to be too high or too low. Herbal supplements Includes - b Echinacea . Best of luck with your upcoming ablation procedure, and down the road of life. Take care CardioStar* WebMD community member (8/99) - - i Additional info b Be well-informed Warfarin info Website contains more than 650 pages of information on warfarin (generic Coumadin), including its history, reasons for use, safety, dangers, frequently asked questions and interactions. Truestar b Warfarin/Coumadin Introduction Interactions Drugstore com b Drug Interaction Checker [Read the Disclaimer> Prescription and over-the-counter (OTC) drugs may/can interact with other drugs, foods, beverages and dietary supplements. . i Quote "Be a questioning patient. Talk to your doctor and ask questions. Studies show that patients who ask the most questions, and are most assertive, get the best results. Be vigilant and speak up!" - Charles Inlander, People's Medical Society . It's your there. :-) . . b WebMD/WebMD message boards does not provide medical advice. b WebMD does not endorse any product, service, or treatment.
    James_Beckerman_MD responded:
    The medical data does not strongly support the use of echinacea for the common cold (N Engl J Med. 2005 Jul 28;353(4):341-8.) It may interfere with warfarin - I would generally not recommend its use.

    Helpful Tips

    Nix Grapefruit & Statin DrugsExpert
    Grapefruit & statin drugs can be a bad combination. Unlike other citrus fruits, grapefruit contains substances that disable certain ... More
    Was this Helpful?
    17 of 19 found this helpful

    Expert Blog

    The Heart Beat - James Beckerman, MD, FACC

    Dr. James Beckerman shares how small, livable lifestyle changes can have a real impact on your risk of heart attack and stroke...Read More

    Related Drug Reviews

    • Drug Name User Reviews

    Report Problems With Your Medications to the FDA

    FDAYou are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    For more information, visit the Duke Health General and Consultative Heart Care Center