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Home : W : Warfarin Sodium : Warfarin Sodium and Vitamin K

Effects and Recommendation :
(High amounts of vitamin K can be found in GREEN TEA, BRUSSEL SPROUTS, KALE, ASPARAGUS, AVOCADO, BROCCOLI, CABBAGE, CAULIFLOWER, COLLARD GREENS, LIVER, SOYBEANS, MUSTARD GREENS, TURNIP GREENS, PEAS, PARSLEY, GREEN ONIONS, SPINACH, AND LETTUCE. Also be ca
Monitor INR/PT carefully. Limit the amount of vitamin K ingested.
Severity of the interaction : 3/6

Information on this interaction is found in the following publications :
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Heck AM, DeWitt BA, Lukes AL. "Potential interactions between alternative therapies and warfarin." Am J Health-Syst Pharm. 2000 Jul;57: 1221-30.
Publication : Am J Health-Syst Pharm by
> Heck AM, DeWitt BA, Lukes AL - Potential interactions between alternative therapi - 1221-30
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Lilly LS. "I have heard that eating green or leafy vegetables can be a problem when a person is taking the blood thinner Coumadin. Is this true?." Health News. 2000 Aug;6: 10.
Publication : Health News by Lilly LS
> Lilly LS - I have heard that eating green or leafy vegetables - 10
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Taylor JR, Wilt VM. "Probable antagonism of warfarin by green tea." Ann Pharmacother. 1999 Apr;33: 426-8.
Publication : Ann Pharmacother by
> Taylor JR, Wilt VM - Probable antagonism of warfarin by green tea - 426-8