What causes white blood cell 1+?

Urinary tract infection is caused by bacteria or other pathogenic microorganisms infection of the urinary tract, so it will cause white blood cells in the urine to gather, will cause elevated urine white blood cells. Patients will generally also show frequent urination, urgency, urinary pain symptoms, and even hematuria, low back pain and fever symptoms. Second, prostatitis patients can also show urine white blood cells 1+, general prostatitis patients inflammatory substances can be excreted through the urethra, when checking urine will show elevated white blood cells in the urine, patients will also show frequent micturition, urgency, urinary pain, and even show dysuria.