According to previous researches, the risk of addictions and self-harm or suicidal behaviours seems to be higher in patients with personality disorders (PD) than in general population.

To prove that patients with the diagnosis of PD are in the group of risk of addictions, self-harm behaviours and suicidal attempts.

Analysis the occurrence of addictions, autoagressive behaviours and suicidal attempts in patients with PD.

Retrospective analysis of 123 patients diagnosed with PD and hospitalized over the years 2012-2015 in the Department of psychiatry and psychotherapy, medical university of Silesia, Katowice. Statistic analysis of variables and comparing with previous studies.

Three quaters of hospitalized patients were females.

Average age in analysed population was about 48.5 years old.

The frequency of suicidal attempts history was 38% among these patients.

Most popular method of suicidal attempts was drugs overuse.

Nineteen percent of PD patients has revealed self-harm behaviours history.

PD's population have 46% risk of addictions.

Hospitalized patients with personality disorders are in the group of risk of addictions, self-harming behaviours and suicidal attempts.

Care should be taken with patients revealing any risk of autoregressive behaviours and they should be advised accordingly. Preventive actions should be taken with these patients when any life-threatening behaviours suspecting.

The authors have not supplied their declaration of competing interest.