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Anxiety can be a symptom of a medical or substance use disorder problem, and medical professionals must be aware of this. A diagnosis of GAD is made when a person has been excessively worried about an everyday problem for six months or more. [15] These stresses can include family life, work, social life, or their own health.
The American Psychiatric Association introduced GAD as a diagnosis in the DSM-III in 1980, when anxiety neurosis was split into GAD and panic disorder. [28] The definition in the DSM-III required uncontrollable and diffuse anxiety or worry that is excessive and unrealistic and persists for 1 month or longer.
An alternate, widely used classification publication is the International Classification of Diseases (ICD), produced by the World Health Organization (WHO). [13] The ICD has a broader scope than the DSM, covering overall health as well as mental health; chapter 6 of the ICD specifically covers mental, behavioral and neurodevelopmental disorders.
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 Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), is the 2013 update to the Diagnostic and Statistical Manual of Mental Disorders, the taxonomic and diagnostic tool published by the American Psychiatric Association (APA).
"Differential diagnosis" is also used more loosely to refer simply to a list of the most common causes of a given symptom, to a list of disorders similar to a given disorder, or to such lists when they are annotated with advice on how to narrow the list down (French's Index of Differential Diagnosis is an example). Thus, a differential ...
The diagnosis of personality disorders in the fourth edition Diagnostic and Statistical Manual of Mental Disorders, including dependent personality disorder, was found to be problematic due to reasons such as excessive diagnostic comorbidity, inadequate coverage, arbitrary boundaries with normal psychological functioning, and heterogeneity ...
Somatic symptom disorder overlaps with illness anxiety disorder and conversion disorder [37]. Illness anxiety disorder is characterized by an obsession with having or developing a dangerous, undetected medical ailment, despite the absence of bodily symptoms. Conversion disorder may present with one or more symptoms of various sorts.