Parents and teachers of 342 school children, aged from 7 to 11 years, were questioned with the (SDQ) using non-randomized method. The following comparative analysis of SDQ items measured in parents and teachers of children with ADHD and age-matched controls was carried out. It has been shown that the spectrum of disturbances characteristic of ADHD is not confined only to main symptoms of ADHD. The results of questionnaire of both parents and teachers indicated the marked intensity of emotional disturbances, behavioral problems and difficulties in interactions with peers as well as the underdevelopment of social trends in behavior in children with ADHD compared to the controls. The data obtained confirm the necessity of treatment extension beyond the core symptoms with considering more general parameters of the patients quality of life.