Conduct disorder

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• Cruel or aggressive behavior toward people and animals
• Destruction of property, including fire setting
• Lying, truancy, running away
• Vandalism, theft
• Heavy drinking and/or heavy illicit drug use
• Breaking rules without apparent reason
• Antisocial behaviors, such as bullying and fighting

Some of the common signs of conduct disorder are bullying, fighting and staying out at night without concern for curfew or other limits. These children often make no effort to hide their aggressive behaviors and have difficulty making close friends. The diagnosis is made on the basis of a history of these kinds of behaviors.

Review Date: 11/15/2006
Reviewed By: Paul Ballas, D.O., Department of Psychiatry, Thomas Jefferson University Hospital, Philadelphia, PA. Review provided by VeriMed Healthcare Network.