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Folie à deux (et folie à plusiers)
Published in David Enoch, Basant K. Puri, Hadrian Ball, Uncommon Psychiatric Syndromes, 2020
David Enoch, Basant K. Puri, Hadrian Ball
The condition (and variants of it) is recognised in ICD-10, where it is referred to as induced delusional disorder (code F24); in the beta version of ICD-11 available at the time of writing, induced delusional disorder is categorised under 6A24.Z delusional disorder, unspecified. It is also included in DSM-IV, in which it is manifested as shared psychotic disorder (code 297.3). In DSM-5, shared psychotic disorder no longer occurs, but the condition is categorised under other specified schizophrenia spectrum and other psychotic disorder (code 298.8 [F28]):Delusional symptoms in partner of individual with delusional disorder: In the context of a relationship, the delusional material from the dominant partner provides content for delusional belief by the individual who may not otherwise entirely meet criteria for delusional disorder.(American Psychiatric Association, 2013)
Heterocyclic Drugs from Plants
Published in Rohit Dutt, Anil K. Sharma, Raj K. Keservani, Vandana Garg, Promising Drug Molecules of Natural Origin, 2020
Debasish Bandyopadhyay, Valeria Garcia, Felipe Gonzalez
Psychotic disorders are varying illnesses which affect the mind and cause mental disorders. These disorders cause abnormal thinking and perceptions. Psychosis is a mental disorder of feeling disconnected from reality (Early Psychosis and Psychosis, 2018). They make it hard to know what’s real and what isn’t. While the experience for everyone is different, many people say that psychosis is frightening and confusing. In general, “psychotic disorders” indicate schizophrenia, schizoaffective disorder, schizophreniform disorder, brief psychotic disorder, delusional disorder, shared psychotic disorder, etc.
Signs and Symptoms in Psychiatry
Published in Mohamed Ahmed Abd El-Hay, Essentials of Psychiatric Assessment, 2018
The presence of delusions demonstrates the presence of a psychotic illness but does not necessarily distinguish the underlying disorder. Delusions may be a feature of any of the following mental disorders: (1) Psychotic disorders: schizophrenia, schizoaffective disorder, delusional disorder, schizophreniform disorder, shared psychotic disorder, brief psychotic disorder, and substance-induced psychotic disorder, (2) Bipolar disorder, (3) Major depressive disorder with psychotic features (4) Delirium, and (5) Dementia (Kiran & Chaudhury, 2009).
‘Come share my world’ of ‘madness’: a systematic review of clinical, diagnostic and therapeutic aspects of folie à deux
Published in International Review of Psychiatry, 2020
Giulia Menculini, Pierfrancesco Maria Balducci, Patrizia Moretti, Alfonso Tortorella
Noteworthy, a high rate of comorbid psychopathology was evidenced in the secondaries and does not account for the definition of a delusional disorder transmitted to a healthy individual. In this context exposure to the primary could act as a psychosocial trigger for a ‘transient psychotic phenomenon’ in a subject who would have developed a psychotic episode in any case. The possibility of psychiatric comorbidity should be reconsidered in illness criteria, since it is absent in the original description (Patel et al., 2004). The broadening of criteria for defining shared psychotic disorder is also suggested by a certain variability in the diagnosis of the primary, with described cases of mood disorders as the main illness of inducers in several reports (Arnone et al., 2006; Kraya & Patrick, 1997; Vigo et al., 2019).
Cannabis use in delusional infestation with folie à deux
Published in Journal of Substance Use, 2021
Jason S. Lee, Erin Dean, Xavier F. Jimenez
Delusional infestation (DI) is a disorder in which individuals believe that their skin or body is infested with parasites, insects, or other pathogens when no such infestation is present. Previous studies show that substance use is common in individuals with DI (Freudenmann & Lepping, 2009), but few have investigated which drugs of abuse are most often associated with the development of DI. This condition may also occur with folie à deux, or shared psychotic disorder, at rates higher than previously acknowledged.