Bacteriuria is a laboratory symptom that characterizes the presence of bacteria in the urine. Most often, this indicates a urinary tract infection (kidney, bladder), but may be a harmless laboratory finding. Clinical manifestations can be varied - from an absolutely asymptomatic course to pronounced signs (fever, back pain, urination disorders). The presence of bacterial flora in the urine is investigated in several ways - physicochemical, bacteriological, etc. Correction of bacteriuria is carried out by the appointment of antibacterial drugs.