Acetaminophen toxicity (most common cause of acute liver failure in the US)
Viral hepatitis<unk> <unk> <unk> <unk> <unk> 
HSV
Epstein-Barr virus
Varicella zoster virus
Toxoplasmosis
Acute alcoholic hepatitis
Toxins
Mushroom toxicity
Crotinarius mushrooms
Gyromitra mushrooms
Amanita mushrooms
Ischemic hepatitis<unk> <unk> <unk> <unk> <unk> 
HSV
Epstein-Barr virus
Varicella zoster virus
Mushroom toxicity
Crotinarius mushrooms
Gyromitra mushrooms
Amanita mushrooms
Gyromitra mushrooms
Amanita mushrooms
Hepatitis E
Acetaminophen toxicity 
Hepatitis D
Viral hepatitis
Hepatitis A
Hepatitis B
Hepatitis C
Autoimmune hepatitis