Drug preferred in generalized tonic clonic seizure:
(Ref: Katzung, 14th ed. pg. 426; KDT 6th ed. pg. 407-408)* Given the choices the answer will be Na+ Valproate* According to Harrisons 19th ed. the current recommendable drug of choice for GTCS is LAMOTRIGINE > Na+ Valproate.
Phenytoin
Na+ Valproate
Carbamazepine
Diazepam
C.N.S