Background : The increased risk of suicide among alcoholics or drug abusers makes identifying risk factors an important endeavor. The aim of this study is to investigate such risk factors, which may be of benefit, not only in prevention of suicide but also in the management of these patients. Method: The sample consisted of 179 male addicts, 103 never attempted suicide and 76 suicide attempters. A semi-structured sheet, personality assessment Schedule. Addiction Severity Index, Beck Hopelessness Scales, Suicidal Ideation Scale, Hamilton Scale for depression and for anxiety were applied. Results: The attempters were found to be older, more single and less educated. They have higher frequency of comorbidity especially depression anxiety and adjustment disorder, hopelessness depression, anxiety and family history of suicidal. They were also found to be more irritable more vulnerable. More introspective, shyer and less dependent less irresponsible and less conscientious than the non-attempters. Conclusion: Addicts suicide have characteristic features that differentiate them from non-attempters. This should be considered both in prevention and management of addicts.