What is the cause of high urine white blood cells

Urinary white blood cells high reasons are as follows: a, urinary tract infection, due to the presence of pathogenic bacteria infection in the urinary tract, will show some inflammatory substances, in the urine routine detection, urinary white blood cell content will increase, generally accompanied by urination pain, frequent micturition and other urinary stimulation symptoms. Third, white blood cell increase may also be caused by physiological factors, such as not washing the genitals or urethral orifice before urine examination, it may cause urine sample contamination, resulting in white blood cell increase, generally not accompanied by uncomfortable performance.