The drug used in absence seizures and having a narrow spectrum of antiepileptic activity is:
(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.
Lamotrigine
Ethosuximide
Sodium valproate
Primidone
Other topics and Adverse effects