You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All are true about warfarin except: and explain in detail?
Ans: b. Protamine sulphate reverses its action.Warfarin induced skin necrosis is a rare complication characterized by the appearance of skin lesion 3-10 days after initiation of treatment.Dose of warfarin adjusted to give an INR of 2-4, the precise target depending on the clinical situation.The reference range for prothrombin time is usually around 12-13 seconds and the INn in absence of anticoagulation therapy is 0. 8-1. 2Warfarin: Dose regulation is done by prothrombin time & INR (Heparin/aPTT/clotting time.Antagonist is Vit K (c. f Heparin- Protamine sulphate).