Article: New Coumadin(R) Package Insert Warns Against Duplicate Dosing

WILMINGTON, Del., June 9 /PRNewswire/ -- DuPont Merck said today an important precaution statement has been added to the package insert for its anticoagulant medication, Coumadin(R) (Warfarin Sodium Tablets, USP) Crystalline. The change follows reports of adverse events that may have resulted from patient confusion following changes in medication.

Between two and three million elderly Americans are on Coumadin therapy.

A generic warfarin has been available since 1997, and DuPont Merck has been tracking reports of patients who simultaneously took both the generic product and Coumadin following prescription refills. Because Coumadin and generic ...

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