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Urinary Tract Infections in Children - Cause

Most urinary tract infections (UTIs) in children are caused by bacteria that enter the urethra and travel up the urinary tract. Bacteria that normally live in the large intestine and are present in stool (feces) are the most common cause of infection. Occasionally bacteria traveling through the blood or lymphatic system to the urinary tract are the cause of kidney or bladder infections.

During potty training, children may not properly wipe their bottoms after a bowel movement. Bacteria may get into the urethra and cause a UTI. Also, constipation or not completely emptying the bladder can cause bacteria to build up in urine.

Problems with the structure or function of the urinary tract commonly contribute to UTIs in infants and young children. Problems that limit the body's ability to eliminate urine completely include:

WebMD Medical Reference from Healthwise

Last Updated: April 30, 2007
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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