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163 million (2017) [ 8] Major depressive disorder ( MDD ), also known as clinical depression, is a mental disorder [ 9] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, [ 10] the term was adopted ...
Dysthymia. Dysthymia ( / dɪsˈθaɪmiə / 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. [ 3][ 6][ 7] The ...
Adjustment disorder is a maladaptive response to a psychosocial stressor.It is classified as a mental disorder. [2] The maladaptive response usually involves otherwise normal emotional and behavioral reactions that manifest more intensely than usual (considering contextual and cultural factors), causing marked distress, preoccupation with the stressor and its consequences, and functional ...
A major depressive episode ( MDE) is a period characterized by symptoms of major depressive disorder. Those affected primarily exhibit a depressive mood for at least two weeks or more, and a loss of interest or pleasure in everyday activities. Other symptoms can include feelings of emptiness, hopelessness, anxiety, worthlessness, guilt ...
The DSM-5 (2013), the current version, also features ICD-9-CM codes, listing them alongside the codes of Chapter V of the ICD-10-CM. On 1 October 2015, the United States health care system officially switched from the ICD-9-CM to the ICD-10-CM. [1] [2] The DSM is the authoritative reference work in diagnosing mental disorders in the world.
0.8–1.5% (2019, using DSM-IV-TR and ICD-10) [ 2] Attention deficit hyperactivity disorder ( ADHD) is a neurodevelopmental disorder characterised by executive dysfunction occasioning symptoms of inattention, hyperactivity, impulsivity and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and ...
stimulants, antidepressants, antipsychotics. Disruptive mood dysregulation disorder ( DMDD) is a mental disorder in children and adolescents characterized by a persistently irritable or angry mood and frequent temper outbursts that are disproportionate to the situation and significantly more severe than the typical reaction of same-aged peers.
The DSM-5 defines atypical depression as a subtype of major depressive disorder that presents with "atypical features", characterized by: Mood reactivity (i.e., mood brightens in response to actual or potential positive events) At least two of the following: Significant weight gain or increase in appetite (hyperphagia);