My 6 year old son had a febrile seizure last week .Before this he had to two seizures almost before two years  both times he was febrile.since two years he has no seizure till last week .He is now 6 years old and doctors suggested to start medication.One doctor suggested Levera syrup and other suggested encorate chrono 200 tab.pls suggest should we start medication as all the seziures were febrile and also which is better medicine of the two in terms of side effects