Why do I need a nitrites in urine test?Your health care provider may have ordered a urinalysis as part of a routine checkup or if you have symptoms of a UTI. Symptoms of a UTI may include:Frequent urge to urinate, but little urine comes outPainful urinationDark, cloudy, or reddish colored urineBad smelling urineWeakness and fatigue, particularly in older women and menFever
