Urine white blood cell 3+ What's going on?

Urinary routine examination, if the white blood cells in the urine prompt (+++, indicating the existence of urinary system infectious diseases. There are many reasons for urinary system infectious diseases, generally more common is bacterial infection, bacterial infection through the urethra to the urinary tract mucosa, thus causing a series of clinical symptoms, resulting in urinary system inflammation, so that the white blood cells in the urine significantly increased. Urinary tract infection common clinical symptoms, mainly for frequent urination, urgency, urinary pain and chills high fever, low back pain and other manifestations. Common pathogens are mainly Escherichia coli, Staphylococcus, Proteus, etc. In addition, can also be seen specific urinary tract infections, such as urinary tuberculosis, specific cystitis, such as interstitial cystitis, glandular cystitis and other diseases.