What causes a kidney infection in a young child?

Many causes! Kidney infection typically occurs when bacteria enter urinary tract through the tube that carries urine from your body (urethra) and begin to multiply. However girls have a greater risk of kidney infection than do boys due to shorter urethra. A child with abnormal urinary tract, weakened immune system, and vesicoureteral reflux is more at a risk of kidney infection.

Related Questions

What causes kidney infections in a child?

Pyelonephritis. An infection of the kidney (pyelonephritis) results in severe back pain, high fever and nausea/vomiting. Unlike an infection only involving the bladder, the ascension of bacteria into the kidney is a dangerous event. In children it should raise the possibility of an abnormality of the urinary system. Congenital obstruction or urinary reflux are the most common causes. Surgery may be necessary. Read more...

What are the causes of kidney infection in a child?

Bacteria in kidney. Almost all kidney infections in children r due to intestinal (fecal) bacteria entering body via urethra & bladder. From bladder bacteria reach kidney via ureters, either because child has bladder reflux (urine goes up wrong way) or bacteria are able to pass thru bladder-ureter valve because some have hair-like projections & climb like caterpillars.Rarely infection is via blood stream but do occur. Read more...
Pediatric urologist. This should be evaluated by a pediatric urologist. Kidney infections in children suggest the possibility of there being some anatomic abnormality of the urinary tract. Reflux, incompetent valves, blood stream spread of disease, and so on should be ruled out., . Read more...