what causes uti in babies?
<answer> It can occur when bacteria get into the bladder or the kidneys. <context> A urinary tract infection is an infection of the urinary tract. This article discusses urinary tract infections in children. The infection can affect different parts of the urinary tract, including the bladder (cystitis), kidneys (pyelonephritis), and urethra, the tube that empties urine from the bladder to the outside. Causes. Urinary tract infections (UTIs) can occur when bacteria get into the bladder or the kidneys. These bacteria are common on the skin around the anus. They can also be present near the vagina. Normally, there are no bacteria in the urinary tract.