Depression and Disability in Children and Adolescents

For many years, depression and other disorders of mood were thought to be afflictions of only adults. Within the past three decades, however, it has become evident that mood disorders are common among children and adolescents. Population studies reveal that between 10% and 15% of the child and adolescent population exhibit some symptoms of depression (U. S. Department of Health and Human Services [USDHHS], 2000).

In children and adolescents, the most frequently diagnosed mood disorders are major depressive disorder, dysthymic disorder, and bipolar disorder. This digest focuses on these three disorders as they are exhibited in childhood and adolescence - their symptoms, causal factors, and treatment.

Major Depressive Disorder

Major depressive disorder is a serious condition characterized by one or more major depressive episodes. In children and adolescents, an episode lasts an average of seven to nine months (Birmaher et al., 1996a, 1996b). Depressed children are sad and lose interest in activities they used to enjoy. They feel unloved, pessimistic, or even hopeless; they think that life is not worth living; and they may think about or threaten suicide. They are often irritable, which may lead to disruptive or aggressive behavior. They may be indecisive, have problems concentrating, and lack energy or motivation. They may neglect appearance and hygiene, and their normal eating and sleeping patterns may be disturbed (USDHHS, 2000).

Dysthymic Disorder

Dysthymic disorder has fewer symptoms, but is more persistent. The child or adolescent is depressed for most of the day on most days, and symptoms may continue for several years, the average dysthymic period being approximately four years. Seventy percent of children and adolescents with dysthymia eventually experience an episode of major depression. When this combination of major depression and dysthymia occurs, the condition is referred to as double depression (USDHHS, 2000).

Bipolar Disorder

In bipolar disorder, episodes of depression alternate with episodes of mania. The depressive episode usually comes first, with the first manic features becoming evident months or even years later. Adolescents with mania feel energetic and confident; may have difficulty sleeping but do not tire; and talk a great deal, often speaking very loudly or rapidly. They may complain of racing thoughts. They may do schoolwork quickly and creatively, but in a chaotic, disorganized way. In the manic stage, they may have exaggerated or even delusional ideas about their capabilities and importance, become overconfident, and be uninhibited with others. They may engage in reckless behavior (e. g., fast driving or unsafe sex). Sexual preoccupations are increased and may be associated with promiscuous behavior (USDHHS, 2000).

Other Disabilities Associated With Depressive Disorders

Approximately two-thirds of children and adolescents with major depressive disorder also have another mental disorder, such as anxiety disorder, conduct disorder, oppositional defiant disorder, psychoactive substance abuse or dependence, or phobias (Anderson & McGee, 1994). Authorities have also noted that children with medical problems often face extreme and/or chronic stress, which places them at risk for depression. Estimates of depression among youngsters with medical problems range from 7% in general medical patients to 23% in orthopedic patients (Guetzloe, 1991). Depression has also been linked to a variety of other medical conditions, including endocrinopathies and metabolic disorders (e.g., diabetes and hypoglycemia), viral infections (e.g., influenza, viral hepatitis, and viral pneumonia), rheumatoid arthritis, cancer, central nervous system disorders, metal intoxications, and disabling diseases of all kinds. Some of these conditions may be temporary, but some may be diagnosed as primary disabilities in youngsters with health impairments.