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If You Take Warfarin (Coumadin)

Since the effects of this drug can be reversed with vitamin K, the important thing is to eat the same amount of foods that have K each week. That can be hard to keep track of, so many doctors will tell you to avoid them to make it simpler. Keep a list on your refrigerator as a reminder.

Foods with a lot of vitamin K include:

  • Asparagus
  • Broccoli
  • Brussels sprouts
  • Cabbage
  • Collard, turnip, and mustard greens
  • Endive
  • Green onions
  • Kale
  • Lettuce
  • Parsley
  • Soybean oil
  • Soybeans
  • Spinach

Avoid lots of cranberry juice or products with cranberries, too, because they can also interact with your medicine and make it easier for you to bleed.


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See the causes, dangers, and treatments of DVT in this slideshow.