What causes white blood cells in urine?


Several medical scenarios can cause white blood cells in urine, including kidney and bladder infections, urinary tract infections (UTIs), inflammation of the urinary tract and ureters, pregnancy, kidney disease, holding urine for too long or a blockage in the urinary tract. Normally, urine is sterile, containing salts, fluid and waste products but no blood or bacteria. Thus, if white blood cells—called leukocytes—are found in the urine, something is wrong, according to MDHealth.com.

Kidney infections, which often start in the urinary tract and spread to the kidneys, are a major cause of white blood cells in the urine. People with weak immune systems or those who frequently use a catheter are at a higher risk of kidney infection. Bladder infections, often caused by sexual intercourse or bacteria being transported from the rectum to the urethra, can also lead to leukocytes in the urine.

White blood cells can be detected by performing a urine test, or urinalysis, called a leukocyte esterase (WBC esterase). A dipstick with chemicals on it is dipped into the urine to detect abnormalities, including the presence of white blood cells, explains the Mayo Clinic. Microscopic analysis of the urine is another way to see white blood cells in the urine.

If infection is the cause, antibiotics are typically necessary, according to MDHealth.com. Personal hygiene and proper diet can also help prevent and treat the occurrence of white blood cells in the urine.

Q&A Related to "What causes white blood cells in urine?"
The most common cause for blood in urine is either kidney stones or a Urinary Tract Infection. Either way you need to go see a doctor about treatment. Go to.
If there is infection of the kidneys or the bladder or if there is
It could be an indicator of an infection in the urinary tract. Answer What does it mean if there is white blood cells in your urine?
Sick puppies with a low WBC count may have canine cyclic neutropenia, a stem cell genetic defect in all gray-coated collie puppies, suspected in all collies whose noses are not black
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What Are the Causes of White Blood Cells in Urine?
The patient provides a urine sample for lab testing. A lab technician conducts three separate tests on the urine: microscopic, visual and chemical. These give a complete picture of the urine and a snapshot of the patient's overall health. White blood... More »
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