Folie à deux is defined as an identical or similar mental disorder affecting two or more individuals, usually the members of a close family. Two case reports of this condition are presented with a brief review of the literature. Prompt recognition of this condition is an essential step in the management. The majority of patients with folie à deux require multiple treatments including separation, antipsychotics, individual and group psychotherapy, and family therapy.
Keywords: Folie à deux; folie imposé; induced delusional disorder; shared psychotic disorder.