My Son Aged 16 Years Weight 95 Kg Height 6.1

My son aged 16 years weight 95 kg height 6.1 has a seizure last month, first time ever. doctor has prescribed Velprin chrono 300 mg and in due course of time, they said they will increase it to 500mg. meanwhile I consulted another docotr and he said to take Levera 250 mg and simultaneously 500 mg. Please advise which medicine is better. thanks a lot