Half-life: 25-65 hr (initial dosing), 10-20 hr after autoinduction; 35-40h (extended release)
Metabolism: hepatic CYP3A4
Excretion: Urine (72%), Feces (28%)
Mechanism of Action: stabilizes inactivated state of sodium channels, making neurons less excitable
Carbamazepine
Oxcarbazepine
Phenytoin
Lamotrigine
Levetiracetam
Topiramate
Ethosuximide
Fosphenytoin