How are the effects of warfarin differentiated from vitamin E toxicity?

Updated: Jun 01, 2020
  • Author: Mark Rosenbloom, MD, MBA; Chief Editor: Michael A Miller, MD  more...
  • Print

An elevated international normalized ratio (INR) may result from excessive doses of warfarin anticoagulants. Vitamin K deficiency and liver failure can prolong the prothrombin time (PT) and raise the INR.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!