This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
First drug to be used in absence seizures is: 
Select and explain. 
A. Phenytoin, B. Benzodiazepines, C. Valproate, D. Carbamazepine
C: Valproate
Answer: C: Valproate 
Explanation: Valproic acid is the drug of choice for absence seizures. It is an alternative I adjuvant drug for GTCS, SPS and CPS. Myoclonic and atonic seizures-control is often incomplete, but valproate is the drug of choice. Mania and bipolar illness: as alternative to lithium Ref: KD TRIPATI 8TH ED. page 417