Dysthymic Disorder

**Definition:** Chronically depressed mood that occurs for most of the day more days than not for at least 2 years. The required minimum duration in children to make this diagnosis is 1 year. During periods of depressed mood, at least 2 of the following additional symptoms are present: poor appetite or overeating, insomnia or hypersomnia, low energy or fatigue, low self-esteem, poor concentration or difficulty making decisions, and feelings of hopelessness. (DSM-IV)

**Tree numbers:** - F03.600.300.400

**Synonyms:** - Persistent Depressive Disorder, Dysthymia - Dysthymia