Which fat-soluble vitamin can increase the risk of bleeding and would warrant close monitoring of prothrombin time in a patient also taking warfarin (Coumadin)?

Question

Quizplus · Accepted Answer

Vitamin E has anticoagulant properties and can increase the risk of bleeding, especially in patients taking warfarin, a medication that also inhibits blood clotting. Monitoring of prothrombin time is essential to avoid excessive bleeding.

Which Fat-Soluble Vitamin Can Increase the Risk of Bleeding and Would