According to drug mechanism, antiepileptic drugs can be divided into four groups: membrane stabilization, reducing neurotransmitters release, increasing γ-aminobutyric acid mediated inhibition, and the others. Many antiepileptic drugs have more than one mechanism, leading to the uncertainty of drug selection and adverse effects. Some antiepileptic drugs are liver enzyme inducers or inhibitors, resulting in changes in the metabolism, when used in multiple treatment or in combination with other drugs. Antiepi...