<prompt> A 65 years old male presented to a hospital with focal seizures. His renal function was normal. Which of the following is the drug of choice for this patient?ValporatePregbalinLevetiracetamOxcarbazepine  <response>: Oxcarbazepine is newer congener of carbamazepine and is rapidly conveed to active metabolite that is only glucuronide conjugated but not oxidized. Ref KD Tripati 8thh ed. 