Mental Illness in Children (cont.)

As with adults, mental illnesses in children are diagnosed based on signs and symptoms that suggest a particular disorder. However, this process can be especially challenging with children. Many behaviors that are seen as symptoms of mental disorders, such as shyness, anxiety (nervousness), strange eating habits and temper tantrums, can occur as a normal part of a child's development. Behaviors become symptoms when they occur very often, last a long time, occur at an unusual age or cause significant disruption to the child's and/or family's ability to function.

If symptoms are present, the doctor will begin an evaluation by performing a complete medical history and physical exam. Although there are no lab tests to specifically diagnose mental disorders, the doctor may use various tests, such as X-rays and blood tests, to rule out physical illness or medication side effects as the cause of the symptoms.

If no physical illness is found, the child may be referred to a child and adolescent psychiatrist or psychologist, mental health professionals who are specially trained to diagnose and treat mental illness in children and teens. Psychiatrists and psychologists use specially designed interview and assessment tools to evaluate a child for a mental disorder. The doctor bases his or her diagnosis on reports of the child's symptoms and his or her observation of the child's attitude and behavior. The doctor often must rely on reports from the child's parents, teachers and other adults because children often have trouble explaining their problems or understanding their symptoms.

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Source: MedicineNet.com
http://www.medicinenet.com/mental_illness_in_children/article.htm