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Dysthymia (/ d ɪ s ˈ θ aɪ m i ə / dihs-THIY-mee-uh), also known as persistent depressive disorder (PDD), [3] is a mental and behavioral disorder, [5] specifically a disorder primarily of mood, consisting of similar cognitive and physical problems as major depressive disorder, but with longer-lasting symptoms.
This is a list of mental disorders as defined in the DSM-IV, the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders.Published by the American Psychiatry Association (APA), it was released in May 1994, [1] superseding the DSM-III-R (1987).
In addition, Waslick et al. (1999) used duloxetine to treat 19 children and adolescents with either PDD or double depression; after eight weeks of pharmaceutical treatment, 11 of the patients failed to meet the classification criteria for one of the two disorders, which led to the conclusion that duloxetine was a medication that appeared to ...
The treatment of dysthymia is largely the same as for major depression, including antidepressant medications and psychotherapy. [8] Double depression can be defined as a fairly depressed mood (dysthymia) that lasts for at least two years and is punctuated by periods of major depression. [27]
Dysthymia consists of the same depressive symptoms, but its main differentiable feature is its longer-lasting nature as compared to minor depressive disorder. Dysthymia was replaced in the DSM-5 by persistent depressive disorder , which combined dysthymia with chronic major depressive disorder.
DD-NOS is diagnosed if a patient's symptoms fail to meet the criteria more common depressive disorders such as major depressive disorder or dysthymia. Although DD-NOS shares similar symptoms to dysthymia, dysthymia is classified by a period of at least 2 years of constantly recurring depressed mood, where as DD-NOS is classified by much shorter ...
Research suggests that the prevalence of children with major depressive disorder in Western cultures ranges from 1.9% to 3.4% among primary school children. [9] Among teenagers, up to 9% meet criteria for depression at a given moment and approximately 20% experience depression sometime during adolescence. [ 10 ]
The internalizing disorders, with high levels of negative affectivity, include depressive disorders, anxiety disorders, obsessive-compulsive and related disorders, trauma and stressor-related disorders, and dissociative disorders, [4] [5] bulimia, and anorexia come under this category, [1] as do dysthymia, and somatic disorders (in Huberty 2017) and posttraumatic stress disorder (in Huberty 2004).