Causes of white blood cells in urine

Written by nicole stewart
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Causes of white blood cells in urine
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The urinary system is comprised of the kidneys, ureters, bladder and urethra. Blood cells are not normally found within the urine. If a urinalysis shows blood cells in the urine, also known as hematuria, that could signal that something is wrong within the urinary system.

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The urinary system is comprised of the kidneys, ureters, bladder and urethra. Blood cells are not normally found within the urine. If a urinalysis shows blood cells in the urine, also known as hematuria, that could signal that something is wrong within the urinary system.

Urinary tract infection is the most common form of infection that affects the urinary system. This type of infection occurs often in the urethra or ureter. Bacteria often enters the opening of the urethra during voiding and sexual intercourse. Symptoms can include burning, painful urination and hematuria.

Infection of kidneys can cause white bloods cells to appear in urine. Kidney infection called pyelonephritis generally occurs in the urinary tract and travels to the kidneys. Symptoms of pyelonephritis can include fever, chills, urinary frequency and blood in the urine. Kidney infections can be a serious condition and requires antibiotic treatment and sometime hospitalisation. According to the Mayo Clinic, the risk for kidney infections is greatest among those with prolonged urinary catheter use, women and individuals with weakened immune systems.

Bladder infections can also result in hematuria. Symptoms include burning, painful urination and strong-smelling and cloudy urine. Bladder infections, or cystitis, are caused by bacteria that makes its way into the bladder. Sexual intercourse, interference with bladder emptying--which is commonly seen in pregnant women due to the enlarged uterus--and catheter use can all cause infection.

An obstruction of the urinary system can result in hematuria as well. Obstructions can come from trauma or pelvis, tumour, kidney or bladder stones, prostate hypertrophy or foreign bodies in the urinary tract. Symptoms may include difficulty urinating, painful urination, abdominal pain or weakness and weak urine stream. Obstructions can occur in any part of the urinary system and often require medicinal or surgical treatment.

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