Jamshid Ahmadi
Background: Severe substance use disorder in children is rare. Objective: To scrutinize the beginning severe substance use disorder in the period of childhood. Method: To report and discuss an admitted patient with an extensive, and early-onset, history of poly-substance use and mental disorder at age of eight. Results: The current report displays severe substance use disorder which occurred in childhood. Discussion: This report illuminates that substance use disorder in childhood can induce severe psychiatric disorders in adolescence and early adulthood. So, these findings can add new data to the literature. Conclusions: It can be concluded that extensive, early-onset poly substance abuse in childhood induce severe psychiatric disorders in the adolescence and adulthood.