This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
First line treatment of generalized onset tonic-clonic seizures is 
Select and explain. 
A. Lamotrigine, B. Phenytoin, C. Levetiracetam, D. Ethosuximide
A: Lamotrigine
Answer: A: Lamotrigine 
Explanation: First line antiepilepticsGeneralized- Onset Tonic-ClonicLamotrigineValproic acidFocalLamotrigineCarbamazepineOxcarbazepinePhenytoinLevetiracetamTypical AbsenceValproic acidEthosuximideLamotrigineAtypical Absence, Myoclonic, AtonicValproic acidLamotrigineTopiramateRef: Harrison 19e 2552