Source: Web Search Revision Year: 2025 Publisher: GlaxoSmithKline Pte Ltd, 23 Rochester Park, Singapore 139234
Warfarin is a synthetic anticoagulant of the coumarin series and acts by inhibiting the formation of active clotting factors II, VII, IX and X.
An effect on prothrombin time is produced in 24 to 36 h after the initial dose. This reaches a maximum in 36 to 48 h and is maintained for 48 h or more after administration is stopped.
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