en Relationship between Personality Disorders and Types of Drugs Used in Addicts عمومى General پژوهشي Research Given the importance of drug addiction, this article aims to study the current relationship between personality disorders and types of drugs used (narcotics and stimulants) in Iranian addicts. The sample consisted of 285 drug addicts including 132 narcotic addicts and 153 stimulant addicts selected randomly in several phases. Data collecting process was accomplished by means of clinical interviewing based on DSM-IV criteria for addiction, Addiction Severity Index (ASI), and Millon Clinical Multiaxial Inventory – III (MCMI-III). Using Pearson correlation coefficient and regression, the gathered data were analyzed. There was a significant correlation between stimulant consumption and histrionic personality disorder (p 0 0 http://ijpb.ir/browse.php?a_code=A-10-39-66&slc_lang=en&sid=1 khanom سیما نوربخش nevisandeh election خانم sima noorbakhsh نویسنده مسیول 1003194753284600660 1003194753284600660 No ddepartment of psychology tabriz university ddepartment of psychology tabriz university mohammad زینب خانجانی دکتر zeynab khanjani 1003194753284600661 1003194753284600661 No department of psychology tabriz university department of psychology tabriz university mohammad حمید پورشریفی دکتر hamid poorsharifi 1003194753284600662 1003194753284600662 No department of psychology tabriz uuniversit department of psychology tabriz uuniversit