Warfarin

Warfarin (also known under the brand names of Coumadin® and Marevan®) is an anticoagulant medication that is administered orally. It is used for the prophylaxis of thrombosis and embolism in many disorders. Its activity has to be monitored by frequent blood testing for the international normalized ratio (INR).

Related Topics:
Anticoagulant - Medication - Prophylaxis - Thrombosis - Embolism - Blood test - International normalized ratio

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Warfarin was originally developed as a rat poison, and is still widely used as such, although warfarin-resistant rats are becoming more common.

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