The aim of this study was to identify the socio-demographic status and clinical features of patients with acute psychotic disorder and who committed a medicolegal act, seek acute psychosis implicated and raise the characteristics of this medicolegal acts.

We performed a retrospective study of 25 male patients with acute psychotic disorder. They were involuntary hospitalized in the medicolegal department of Razi, according to Article 29 of Law after committing a medicolegal act because of dementia within the meaning of article 38 of the Tunisian Penal Code.

It was about a young person, average age of 27.32 years, family cohesion was often present (80%), with forensic history (20%), violence history (20%) and substance abuse (40%), having a personality disorder (25%), having a precipitating factor (32%), having an acute psychotic episode (72%), repetitive acute psychotic episode (16%), a first manic episode (8%) and drug-related psychotic disorder (4%). They had committed by order of frequency serious physical assault (43.5%), attempted murder, assault and injury followed by attacks against property (40%). The victim was mostly a family member (40%), without determination, under the influence of toxic substances (16%) and motivated by delusions of persecution (51%). The acting out was recognized (68%). The majority was indifferent (92%) and does nothing (68%).

The first-episode psychosis have a high-risk of acting out, early treatment may prevent some medicolegal acts. Preventing of acting out in the psychotic involves the identification of risk factors and an early treatment of mental disease.

The authors have not supplied their declaration of competing interest.