Causes of positive leucocytes in urine routine

The reason for the positive white blood cells in urine routine is because of the infection of urine. When the human body has pathogenic bacteria infection, the number of pathogenic bacteria in urine increases, and white blood cells will chemotactic enter urine to engulf related pathogenic bacteria to complete the role of immune clearance. In the process of phagocytosis will lead to an increase in the number of white blood cells, phagocytosis of pathogenic bacteria white blood cells form pus cells, together with urine excluded from the body, in the process of urine routine test, will show an increase in the number of white blood cells, patients often accompanied by frequent micturition, urinating pain and other urinary tract stimulation symptoms. There is also a urine sample taken by exogenous pathogens infected, or urine samples placed for too long, urine deterioration, bacterial reproduction and other symptoms, then can also show an increase in the number of white blood cells in urine, but at this time the patient is not accompanied by any urinary tract infection conscious symptoms.