What are the two plus signs in urine leukocytes?

White blood cells in normal urine showed two plus signs, after exclusion of contamination, more common is caused by some urinary system diseases. Urinary system disease normal more common is urinary system infection, urinary system infection can show an increase in the number of white blood cells in urine, and clinically can show frequent micturition, urgency, urinary pain and other bladder irritation symptoms, including upper urinary tract infection and lower urinary tract infection, such as pyelonephritis, cystitis, urethritis, prostatitis can lead to an increase in white blood cells and clinical symptoms of the performance. Other diseases of the urinary system, such as urinary calculi, urinary tuberculosis, urinary tumors, urinary foreign bodies and other infections, can also show similar clinical symptoms. Therefore, in the clinical to give some corresponding treatment, such as anti-infective treatment, symptomatic treatment after the review of the corresponding urine routine.