Which of the following is advocated in dicoumarol poisoning: March 2005: (A) Warfarin, (B) Heparin, (C) LMWH, (D) Vitamin K
Answer is D. Ans. D: Vitamin K Dicoumarol is a competitive inhibitor of Vitamin K preventing the formation of prothrombin. Administration of Vitamin K is the antidote for dicoumarol toxicity. Follow-up is done by measuring the prothrombin time (PT).