This document summarizes information about epilepsy and antiepileptic drugs. It defines epilepsy as a neurological disorder causing abnormal brain activity and seizures. It classifies and discusses the mechanisms and pharmacology of various antiepileptic drugs, including their effects on sodium channels, calcium channels, GABA, and glutamate. The document categorizes common antiepileptic drugs and provides details about specific drugs like phenobarbital, primidone, phenytoin, carbamazepine, ethosuximide, valproic acid, and newer drugs; describing their mechanisms of action, uses, pharmacokinetics, and adverse effects.