| Viral hepatitis |
| Hepatitis A, B, C, D, and E |
| Epstein-Barr virus |
| Cytomegalovirus |
| Alcohol |
| Drugs |
| Predictable, dose-dependent (eg, acetaminophen) |
| Unpredictable, idiosyncratic (many drugs) |
| Environmental toxins |
| Vinyl chloride |
| Jamaica bush tea - pyrrolizidine alkaloids |
| Wild mushrooms - Amanita phalloides or verna |
| Autoimmune hepatitis |
| Wilson disease |
| Ischemia (eg, Budd-Chiari syndrome, ischemic hepatitis) |
| Congestive hepatopathy (eg, from right-sided heart failure) |
