Diagnostic challenges in shared delusional disorder (folie à deux). Case presentation
Diagnostic challenges in shared delusional disorder (folie à deux). Case presentation

Summary/Abstract: Psycho-social factors profoundly influence the meaning and nature of symptoms in mental disorders, therefore the cultural and family framework can correctly interpret behaviors and reduce diagnostic errors and diagnostic ambiguity in clinical situations. Abnormal beliefs are the main focus of delusional disorders, often finding paranoid symptoms in dysfunctional families. This paper presents the case of two brothers with a dysfunctional family, in which psychological stress and social isolation are the main important factors in the aetiology of shared delusional disorder, a rare psychiatric condition, characterized by uncritically accepting delusional beliefs of another person. This pathology has a chronic evolution because the people involved have an unusually close relationship and are isolated from the surrounding world from a cultural point of view.

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