Shared psychotic disorder in the Family Environment: A Case of Shared Delusion Between a Mother and Her Son in Marrakech, Morocco

Shared psychotic disorder, is a rare psychiatric condition characterized by the transmission of delusional beliefs between closely associated individuals. This case report describes a unique occurrence of FAD involving a 45-year-old mother and her 22-year-old son in Marrakech, Morocco. The pair developed a shared persecutory delusion centered on familial betrayal, leading to severe social isolation and functional impairment. Clinical evaluation revealed no prior psychiatric history in the son, while the mother had untreated delusional disorder. Both exhibited identical delusional content, which resolved in the son following separation and antipsychotic treatment. This case highlights cultural and familial dynamics in FAD, emphasizing the need for early recognition in resource-limited settings.