1. What are the symptoms of urinary tract infection in children? A urinary tract infection in children is a bacterial infection of the urinary tract, including the kidneys, ureters, bladder and urethra. This infection is usually caused by bacteria such as E. coli and is more common in girls and young children. 2. What are the symptoms of urinary tract infection in children? 1. Frequent urination 2. Pain or burning sensation when urinating 3. Discomfort in the waist or lower abdomen 4. Incontinence or difficulty in urinating 5. The urine is red in color and may have an odor 6. Fever 3. How to prevent urinary tract infection in children? 1.Drink enough