To fit this diagnosis, the pattern must last for at least 6 months and must be more than normal childhood misbehavior.
The pattern of behaviors must be different from those of other children around the same age and developmental level. The behavior must lead to significant problems in school or social activities.
It may help to get the child evaluated by a psychiatrist or psychologist. In children and adolescents, depression and attention-deficit /hyperactivity disorder (ADHD) can cause similar behavior problems, and should be considered as possibilities.
Steiner H, Remsing L, Work Group on Quality Issues. Practice parameter for the assessment and treatment of children and adolescents with oppositional defiant disorder. J Am Acad Child Adolesc Psychiatry, 2007;46:126-41.