There is information about cranberry juice interacting with Coumadin (warfarin), however, I would like to request information about the interaction of grapefruit with Coumadin (warfarin) and if it is contraindicated.
Dr. Gourmet Says...
While cranberry juice is safe with Coumadin (warfarin), grapefruit and grapefruit juice is most definitely contraindicated (to be avoided) - not only with Coumadin but with many other medications.
Here's information on Coumadin and cranberry juice:
Older information: Should you avoid cranberry juice while on Coumadin (warfarin)?
Most recent information: Should you avoid cranberries and cranberry juice while on Coumadin (warfarin) [Updated!]
And information on grapefruit:
Does grapefruit really interact with medications?
A Pharmacist's take on grapefruit and its interaction with medications
Thanks for writing.
Timothy S. Harlan, M.D.
Dr. Gourmet
Read Related Questions
Can I take Chromium Picolinate while
I'm taking Coumadin?
Do Goji Berries interact
with Coumadin (warfarin)?
What about herbal teas and Coumadin?
Can I take Fenugreek with my other
medications?
Can I use these nutritional
supplements while on Coumadin?
How can my friend control her Vitamin K intake and increase
her iron intake?
Are there supplements you can take to
help reduce your dose of Coumadin®?
Does papaya have a blood-thinning
effect?
I've heard that apple cider will help you lose weight. Will
apple cider interact with the warfarin I'm on?
How Much Vitamin K is in....?
There's an easy way to find out about the nutrition content of any food. Just use The Dr. Gourmet Diet Plan Software.
Just register to use the software, then click the Recipe Box tab. The ingredient database includes over 7,000 ingredients and will show you the nutritional information for those ingredients - including Vitamin K. Use the Food Diary section to help you track your daily Vitamin K intake along with calories and other nutrients. Try it now!