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Delusional infestation is classified as a delusional disorder of the somatic subtype in the Diagnostic and Statistical Manual of Mental Disorders (). [1] [8] The name delusional parasitosis has been the most common name since 2015, but the condition has also been called delusional infestation, delusory parasitosis, delusional ectoparasitosis, psychogenic parasitosis, Ekbom syndrome ...
The symptoms of anxiety and depression disorders can be very similar. A diagnosis of mixed anxiety–depressive disorder as opposed to a diagnosis of depression or an anxiety disorder can be difficult. Due to this, it has long been a struggle to find a singular set of criteria to use in the diagnosis of mixed-anxiety depressive disorder. [3]
In patients that have a history of eating disorders, Rumination syndrome is grouped alongside eating disorders such as bulimia and pica, which are themselves grouped under non-psychotic mental disorder. In most healthy adolescents and adults who have no mental disability, Rumination syndrome is considered a motility disorder instead of an ...
The number of people with PNES ranges from 2 to 33 per 100,000. [6] PNES are most common in young adults, particularly women. [6] The prevalence for PNES is estimated to make up 5–20% of outpatient epilepsy clinics; 75–80% of these diagnoses are given to female patients and 83% are to individuals between 15 and 35 years old.
The ICD-11 has relisted DPDR as a disorder rather than a syndrome as previously, and has also reclassified it as a dissociative disorder from its previous listing as a neurotic disorder. [4] The description used in the ICD-11 is similar to the criteria found in the DSM-5.
Olfactory reference syndrome (ORS) is a psychiatric condition in which there is a persistent false belief and preoccupation with the idea of emitting abnormal body odors which the patient thinks are foul and offensive to other individuals.
BDD is an obsessive–compulsive disorder [9] but involves more depression and social avoidance despite a degree of overlap with obsessive-compulsive disorder. [10] [1] BDD often associates with social anxiety disorder (SAD). [10] Some experience delusions that others are covertly pointing out their flaws. [2]
SWSD can increase the risk of mental disorders. [1] Specifically, depression, anxiety, and alcohol use disorder is increased in shift workers. [6] Because the circadian system regulates the rate of chemical substances in the body, when it is impaired, several consequences are possible. [1]