when and how to use vitamin K to reverse the effects of warfarin

April 2009

There's debate about when and how to use vitamin K to reverse the effects of warfarin.

Vitamin K usually IS needed when the patient has an INR over 9... or has serious bleeding. It's usually NOT needed for INRs under 5.

But it's controversial when the INR is 5 to 9 with no bleeding.

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Table of Contents

proton pump inhibitors (PPIs) might DECREASE the efficacy of clopidogrel (Plavix)
Antithrombotics when and how to use vitamin K to reverse the effects of warfarin
Cardiology whether it's HARMFUL to combine an ACE inhibitor and ARB
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