Would Taking Keppra And Trileptal Be Suggested For Seizures?

hi, my child is taking keppra and trileptal for seizers and recently he is acting abnormal, talking to himself, seeing someone with their presence, laughing with out any reason and crying without any reason at the same time. he continually talking. he has trouble sleeping also. and have fears like to doctors is coming and somebody is scaring him etc. i am very scared of his condition. he also have vp shunt which is working fine since he had all the check up done. please let me know who i should consult first, his neurologist or physichitrist