Signs and Symptoms Babies with a urinary tract infection tend to be fussy and often have vomiting and/or a fever. Older children may complain of pain when they urinate, have smelly urine, blood in the urine, lower belly pain, and/or may be needing to urinate more frequently. A previously potty-trained child may start wetting themselves or theContinue reading “Urinary Tract Infection (UTI)”