Can impair height growth, cause insomnia, loss of appetite, and nausea, etc. It is a short term fix and does not fix a learning disability or emotional problem. A pill alone doesn't meet the basic care a child needs. Some treatment can be haphazard and there is no follow-up or counseling. Psychiatric drugs used to help young children have not been tested properly and are not approved by the FDA for pediatric use under 6 years of age.
Effectiveness is usually by trail and error.
Effective parenting and appropriate education. Individual and family therapy and a different diet may be helpful. Adjust accordingly if needed. Use Counseling and therapy to help the child.