Foods that increase INR level with Warfarin

My husband takes Coumadin. He has for many years. His INR levels have been pretty steady over the years ranging between 2.0 and 2.9.
Lately they have been getting a little higher each time he is tested.
The last three months were 2.8, 2.9 and 3.1.

I'm wondering if it's something he's eating. Can someone tell me what foods increase INR levels? I know which ones contain Vitamin K, but can't find a list of foods that can cause bleeding.

He has not made any changes to any medications or vitamins that he takes.

This new drug can cause liver problems, however.

I have been taking Coumadin for eight years now.
Based on my personal experience as a patient, I would say that the INR levels jump high, even over 4 or 5, at least once a year without *any* apparent explanation - not counting the expected changes resulting from a new drug therapy (typical example, amiodarone) or from a new and unbalanced diet.
Since your husband's INR levels have been pretty steady over the years ... you can simply say that your husband is lucky .
And I'd bet you'll never now why the increase in the last three months. Obviously the doctor will now have him readjust his Coumadin dosage.

That's what I thought...... She seems a bit confused at times... Oh well, she tries hard anyway..

There was a really interesting article in The Times yesterday about
Warfarin, strokes etc. and a new minimally invasive treatment for AF which uses micro waves. Only 15 worldwide have been done so far.
The new oral substitute for Warfarin is called Exanta ximelagatran.
Results of trials announced at the recent European cardiology congress in Vienna show that the new drug is as effective as Warfarin for AF not related to valvular heart disease. Unfortunately my AF is related to valve disease so it looks like I will not be able to have.
If you go to The Times web pages you should be able to track down the article. Diana

I was told yesterday by the head nurse at my HMO " blood thinning clinic" or whatever you call it, that Green Tea could cause the
Warfarin not to be as effective. Does that sound realistic to anyone?

The only thing I have read about green tea is it's antioxidant qualities but other articles I have read insist that any kind of tea will work as well, with or without milk.

Here's a link: http://www.healthcaresouth.com/pages/askthedoctor/ medfoodinteractions.htm

for even more info go to www.google.com and search for "warfarin food
INR"

Reminds me of Mozz in the adjoining thread.

She may have thought (erroneously) that green tea contains vitamin K.

Odd that the fish oil doesn't work for you. Hot peppers/spices supposedly can thin the blood. Watch for new drug to replace warfarin
- no blood tests needed.

If it is something your husband eats that causes the increase in INR I would be interested to know what it is. I had a steady INR for a long time but for the past few months the local clinic have not been satisfied and I have to return there every two weeks after which they 'phone and up the dose. They want mine to be between 3-4 (mechanical valve) but it is staying around 2.8. I am taking a large dose of
Omega 3 for osteoarthritis and I thought this would make the blood thinner but it has not happened. It is a bit embarrassing as I wonder if they think there is something I am not telling them. If you use a search engine like Google and enter Coumadin/Warfarin+drug+food interactions, you might get some useful information. Diana