Each psychiatric patient is potentially suicidal. However, the mentally illness people who pronounced security measure of compulsory psychiatric treatment are the particular risk group. In their current psychopathology has the greatest importance in the development of suicidal tendencies. On the other hand, many provocative external factors affect the emergence of suicidality.

The paper discusses the influence of several variables on the occurrence of suicidal tendencies: type of mental disorder, kind of crime, length of hospitalization, stigmatization and social and family acceptance.

The retrospective study included 160 patients diagnosed with schizophrenia, paranoid psychosis and mood disorders in the period since 2005 to 2009. The research is related to the relationship of “social isolation” of these patients and suicidal tendencies.

The results showed that patients diagnosed with schizophrenia exhibit the highest degree of suicidality 67, 5%. Criminal offense into the family, long hospitalization, the stigmatization of patients and not accepting of the social environment, particularly of the family are the factors that contribute to suicidality.

Misunderstanding and avoidance of the patients from the social environment and especially from the family is a common characteristic of these patients. This causes the feeling of worthlessness, rejection and helplessness. The sense of further life for them doesn’t exist. If we look at suicide as a revenge and punishment of others, than suicidality of this group of mental illness people is a good example of that.