White Blood Cells in Urine

In most cases a healthy person will not experience any blood cells in their urine. This is because a healthy kidney will not let blood cells to enter the urine; in addition blood should not normally have any contact with urine. Sometimes, however, the kidneys or bladder become infected allowing blood to enter the urine. It is also possible that inflammation from growths along a person’s genitourinary system, allergies, immune disorders or stones may lead to blood in the urine.

Causes of White Blood Cells in Urine

There are several possible causes that can lead to the presence of white blood cells in urine. The most common of these include cystitis, kidney stones and kidney infections.

1. Cystitis

Cystitis refers to when the bladder is inflamed or infected and is sometimes known as a urinary tract infection (UTI). These bladder infections may just be annoying and painful but at times the infection may spread to the kidney at which point it becomes a more serious health problem.

2. Kidney Stone

Kidney stones are also known as renal lithiasis and are hard and small deposits found in the kidneys. They are made of acid and mineral salts and can affect the entire urinary tract.

3. Kidney Infection

The kidneys are responsible for removing extra water and waste products in the form of urine. A kidney infection can involve the following features.

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