For example, if someones sister is the inducer, the family will have to get involved to ensure the two stay apart, and to sort out how the family dynamic will work around that. The more support a patient has, the more likely they are to recover, especially since SDD usually occurs due to social isolation. Notable cases
In May 2008, in the case of twin sisters Ursula and Sabina Eriksson, Ursula ran into the path of an oncoming articulated lorry, sustaining severe injuries. Sabina then immediately duplicated her twins actions by stepping into the path of an oncoming car; both sisters survived the incident with severe but non-life-threatening injuries. It was later claimed that Sabina Eriksson was a secondary sufferer of folie à deux, influenced by the presence or perceived presence of her twin sister, Ursula—the primary. Sabina later told an officer at the police station, "We say in Sweden that an accident rarely comes alone. Usually at least one more follows—maybe two." However, upon her release from hospital, Sabina behaved erratically before stabbing a man to death. Psychiatrist Reginald Medlicott published an article about the Parker–Hulme murder case, called "Paranoia of the Exalted Type in a Setting of Folie a Deux - A Study of Two Adolescent Homicides," arguing that the intense relationship and shared fantasy world of the two teenaged friends reinforced and exacerbated the mental illness that led to the murder: "each acted on the other as a resonator, increasing the pitch of their narcissism." Psychologists H. OConnell and P.G.
As no drugs or poison were found in her system, her death remains a mystery. Fulfilling their pact, June proceeded to live an otherwise-normal life. The Burari Deaths, wherein a family of 11 members was found hanging in their home in Delhi, was ruled as a case of "Shared Psychosis," led by the youngest son of the matriarch. In popular culture
In Folie à Deux (The X-Files) Season 5, Episode 19 (1998), Mulder is taken hostage by an employee who believes his boss is turning his coworkers into zombies. Bug (2006) is a film that depicts a couple with a shared delusion that aphids are living under their skin. In Season 2, Episode 3 of Criminal Minds, "The Perfect Storm" (2006), Dr. Reid mentions that the rapists had this condition. Folie à Deux (2008) is an album by American rock band Fall Out Boy
The independent film Apart (2011) depicts two lovers affected and diagnosed with induced delusional disorder, trying to uncover a mysterious and tragic past they share. In a 2011 interview, director Aaron Rottinghaus stated the film was based on research from actual case studies. Nine Perfect Strangers shows a couple who lost one of their two children. The couple and the surviving child have shared hallucinations of the dead child.