For a child or adolescent to qualify for a diagnosis of<unk> , behaviors must cause considerable distress for the family or interfere significantly with academic or social functioning. Interference might take the form of preventing the child or adolescent from learning at school or making friends or placing him or her in harmful situations. These behaviors must also persist for at least six months. Effects of<unk>  can be greatly amplified by other disorders in comorbidity such as ADHD. Other common comorbid disorders include depression and substance use disorders. Adults who were diagnosed with<unk>  as children tend to have a higher chance of being diagnosed with other mental illness in their lifetime, as well as being at higher risk of developing social and emotional problems.
Oppositional defiant disorder
Attention deficit hyperactivity disorder
Conduct disorder
Tourette syndrome
Personality development disorder
Motivational deficiency disorder
Obsessive–compulsive personality disorder
Obsessive–compulsive disorder