Shared obsessive-compulsive disorder

BACKGROUND: Shared psychotic disorder (folie à deux) is an uncommon entity reported mainly in the context of delusions. Obsessions and compulsions occur very rarely as shared psychopathology. MATERIAL AND METHODS: We present two sisters who manifested shared obsessive-compulsive disorder. RESULTS: Both sisters were managed in keeping with their shared obsessive-compulsive disorder leading onto a similar pattern of response. CONCLUSIONS: Shared obsessions could represent the continuum concept of obsessions and delusions, and their relationship needs to be evaluated in greater detail.