Background: Addiction is a worldwide problem usually affecting young adults. Different environmental, psychological and social factors may aggravate the situation. The present study was conducted to determine psychological and personality characteristics of young addicted subjects in Kashan in 1379.

Materials and methods: For this descriptive study, 100 young addicted subjects aged 15-30 years were included. A demographic questionnaire as well as Minnesota Multiphasic Personality Inventory (MMPI) was completed for all subjects. Finally, the psychologic profile of the candidate was drawn according to his score and an interview achieved by a psychiatrist. The role psychological and personality factors were determined.

Results: Anxiety(43%) and depression(34%) were the most common psychological problems followed by antisocial personality(31%) and schizoid (30%). Married subjects were more likely to develop anxiety, however, single subjects developed depression.

Conclusion: With respect to the high prevalence of anxiety and depression in addicted subjects, further studies are highly recommended to treat the affected subjects.