Epilepsy
Maintenance dose:800-1200mg/day PO in divided doses
Therapeutic range: 4-12mg/L (16.9-50.8 micromoles/L)
Max dose: 1600mg/day (rarely 1.6-2.4g/day)
Trigeminal Neuralgia
Maintenance dose: 400-800mg/day PO in divided doses
Max dose: 1200mg/day
Bipolar Mania
Initial 200mg PO q 12h increase by 200mg/day
Max dose 1600mg/day
Restless legs syndrome (off label)
100-600mg PO qHS up to 5 weeks
Schizophrenia (off label)
200-1300mg/day for 2.5-8 weeks
Postherpatic Neuralgia (off label)
100-200mg PO qDay, may increase slowly to 1200mg/day
Carbamazepine
Oxcarbazepine
Phenytoin
Lamotrigine
Levetiracetam
Topiramate
Ethosuximide
Fosphenytoin