Warfarin (Coumadin) is a drug utilized to thin your blood to prevent clotting for several reasons, one of of which is to prevent you from getting a blood clot which could cause a heart attack or stroke.
The main dietary concern related to taking warfarin has to do with the amount of vitamin K in your diet. Vitamin K plays an important role in blood clotting. Warfarin works to reduce clotting by diminishing the activity of vitamin K. Eating large amounts of vitamin K can counteract the benefits of warfarin.
Thus, try to avoid the following foods or eat the same amount of these foods on the same day of the week and inform your doctor of this so that your warfarin (coumadin) dose can be adjusted appropriately to maintain a therapeutic level (i.e. do the job it is intended to do):
A few other lifestyle changes should also be noted, as follows:
Avoid eating cranberries, drinking cranberry juice, or taking cranberry herbal products
Avoid drinking alcohol, which can increase some of the side effects of this medication
Avoid smoking cigarettes or chewing tobacco. Tobacco can alter the effects of Coumadin and can cause problems with your therapy.
Finally, be aware of drug interactions, such as those listed below:
Do not take aspirin or other NSAIDs (non-steroidal anti-inflammatory drugs) unless your doctor has told you to. NSAIDs include celecoxib (Celebrex), diclofenac (Voltaren), ibuprofen (Motrin, Advil), indomethacin, naproxen (Aleve, Naprosyn), piroxicam (Feldene), and others.These medicines can affect blood clotting and may cause serious bleeding in your stomach or intestines.
In summary, you should work closely with your doctor and discuss with him/her your diet and any additional medications or herbal products you are taking so that your medication dose can be adjusted accordingly
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