DEAR DOCTOR K: I think my 4-year-old daughter may have a urinary tract infection. How will it be treated? And what can I do to make sure she doesn't get another one?
DEAR READER: A urinary tract infection (UTI) occurs when bacteria infect urine in the kidneys, bladder or urethra, a small tube that connects the bladder to the outside. In girls (and women), the urethra is located in front of the vagina. The opening of the urethra is also near the rectum. The large intestine (the colon and rectum) are filled with bacteria. During bowel movements, those bacteria start living on the skin around the rectum and near the urethra.