The drug used in absence seizures and having a narrow spectrum of antiepileptic activity is:
Lamotrigine
Ethosuximide
Sodium valproate
Primidone
(Ref: KDT 6/e p406, 407) Ethosuximide is useful only in the treatment of absence seizures (petit mal epilepsy). Valproic acid and lamotrigine are broad spectrum antiepileptic drugs.
Other topics and Adverse effects