All are true about warfarin, except
It&;s dose should be reduced in liver and renal impairment as it is metabolized by glucoronide conjugation and is excreted by urine. From medical pharmacology padmaja 4th edition Page no 339,341
It inhibits the activation of vitamin K dependent cloting factors
Its half life is 36 hours
It can cross placenta
Its dose is increased in liver disease
Hematology