Burning or pain when urinating
Frequent urge to urinate
Passing only small amounts of urine
Cloudy urine
Strong-smelling urine
Blood in urine
Lower abdominal or pelvic pain
Feeling pressure in the lower abdomen
Fever
Chills
Back pain or side pain
Nausea or vomiting
In children, fever, irritability, or wetting accidents
In older adults, confusion or sudden behavior changes
A urine test from a healthcare provider confirms a UTI