The aim of this study was an analysis of rhinitis etiology in 105 children treated in Otorhinolaryngology Outpatients Department, Children Clinical Hospital in Białystok. In 58 patients seasonal allergic rhinitis, stimulated by grass antigens, in 37 patients infectious rhinitis and in 10 patients perennial allergic rhinitis stimulated by mites was recognised. The diagnosis in this last group was made using laryngological investigations skin "prick tests" and specific IgE level against mites.