Acute liver failure is a uncommon condition in which rapid deterioration of liver functions results in coagulopathy ( inr more than 1.5) and alteration in mental status of a person, its less common than chronic liver failure, more in young age and 50% because drug overdose and toxicity with high morbidity and mortality. Causes for acute liver failure: Acetoaminophen overdose even with high single dose,halothane ,salicylates and nsaids Virus a and b Wild mushroom poisoning amanita phalloids Certain herbal drugs..kawa,ephedra and gensang Vascular causes: (Hepatic vein throbosis budd chairry syndrome & Portal vein thrombosis)  Metabolic disease  wilsons disease copper metabolism  Malignancies hepatocellular as primary and secondries  Alcohal play a important part in chronic liver diseases not in acute failure, malignancies are followings: Primary specially hepatocellular malignancy…