Leukocytes in Urine

The presence of leukocytes in urine is an indication of an infection in the urinary system. Urinary system consists of bladder, ureters, urethra and kidneys and the presence of leukocytes can be detected with the help of urinalysis. Leukocytes is the medical term used for white blood cells and they protect the body from infections and bacteria. The presence of these cells in urine is a clear indication of bacterial invasion in the urinary system. This bacteria can affect the bladder region and the kidney leading to severe health complications. 0-10 lev/vl of leukocytes in urine is considered as normal and anything above this range is an indication of underlying health complications.


The presence of leukocytes in urine can be due to the following reasons.

  • Kidney Infections:Pyelonephritis is a kind of kidney infection that can result in this condition. This is an infection that usually occurs in the urinary tract and then gradually spreads to the kidneys. This is most commonly seen in people suffering from poor immune system.
  • Bladder Infections: These infections are also known as Cystitis which is caused due to the inflammation of the ureters and urinary tract. This condition can lead to the condition of leukocytes in urine.
  • Blockage of Urinary Tract: This can result in causing hematuria which is the presence of blood in urine. This can be due to the presence of tumor, trauma, prostate hypertrophy, pelvis, bladder or kidney stones and due to unwanted foreign bodies present in the tract.
  • Pregnancy: Many women experience leukocytes and protein in urine during their pregnancy. This contamination usually happens through the vagina leading to this condition.
  • Sexual Intercourse: This is considered as another cause which leads to the presence of white blood cells in urine. This happens when the bacteria gets massaged into urethra.
  • Holding Urine for Long: This can lead to the presence of white blood cells in urine and it usually occurs due to the over stretching of the urinary bladder. Holding urine for longer period of time can weaken the bladder and will not be able to empty it completely. The left over urine results in the formation of bacteria causing infection in the bladder and the urinary tract.


The following are a few symptoms that indicate the presence of white blood cells in urine

  • Frequent urination
  • Foul smelling urine
  • Bladder tumor
  • Blood in urine
  • Painful or burning sensation and
  • Fever or shivering


The treatment for this condition depends on the cause completely. Antibiotics can be used as they help in clearing the infections. Consult a doctor immediately if the symptoms remain for a longer period of time.

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