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What is the normal blood level for a person taking warfarin?

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nkelto 11 Sep 2010

That is determined by your doctor. Mine is 2.5 - 3.5 and I am 6'1" and 225 pounds. I have a mechanical aortic valve, hence my need for warfarin. The INR level varies by individual as well as other factors. I'm not sure if there is a "formula" for determining the level.

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