

DSM-5 does not consider Shared Psychotic Disorder (Folie à Deux) as a separate entity, but rather, the physician should classify it as “ Delusional Disorder” or in the “Other Specified Schizophrenia Spectrum and Other Psychotic Disorder”. This disorder is not in the current DSM ( DSM-5), which considers the criteria to be insufficient or inadequate. Recent psychiatric classifications refer to the syndrome as shared psychotic disorder ( DSM-4 – 297.3) and induced delusional disorder ( ICD-10 – F24), although the research literature largely uses the original name. The disorder was first conceptualized in 19th-century French psychiatry by Charles Lasègue and Jules Falret and is also known as Lasègue–Falret syndrome. trois ('three') or quatre ('four') and further, folie en famille ('family madness') or even folie à plusieurs ('madness of several'). The same syndrome shared by more than two people may be called folie à. UK: / ˌ f ɒ l i æ ˈ d ɜː, - i ɑː-/, US: / f oʊ ˌ l iː ə ˈ d ʌ/, French: įolie à deux ('folly of two', or 'madness by two'), also known as shared psychosis or shared delusional disorder ( SDD), is a psychiatric syndrome in which symptoms of a delusional belief, and sometimes hallucinations, are transmitted from one individual to another.
