How To Manage Continuous Unwanted Thoughts And Anger Issues In A Child?

Hi my son have past 8years take psychiatry medicine for only anger issues lithosun sr 800 Depakote 500 Sizodon ls Nexito 10 After taking medicine he spent lot of money for shopping Depakote medicine create this problem after 7years Depakote stop and take oxitol 300 he is normol and gradually stop all medicine now pant 2years he have unwanted toughts and thinking continuously comming I show lot of doctors doctor gave any medicine he start very anger now he have unwanted useless toughts continuously comming in the mind and anger what I will do please help me any single medicine he take not suitable why please reply me