GPT and Fulminant hepatic failure: Several AEDs, including valproic acids, phenytoin, and carbamazepine, are extensively metabolized by the liver and have been associated with both idiosyncratic and dose-dependent liver injuries, ranging from an asymptomatic elevation in liver enzymes, such as aspartate transaminase (AST) and alanine transaminase (ALT), to fulminant hepatic failure [14].