what are the symptoms of urinary tract infection in toddlers?
['fever.', 'pain or burning during urination.', 'need to urinate more often, or difficulty getting urine out.', 'urgent need to urinate, or wetting of underwear or bedding by a child who knows how to use the toilet.', 'vomiting, refusal to eat.', 'abdominal pain.', 'side or back pain.']