Managing a patient with purple urine bag syndrome

Purple urine bag syndrome most commonly occurs in chronically catheterized patients who develop urinary tract infections. Although this syndrome can cause concern because of the appearance of abnormally colored urine, it is relatively benign. However, if left untreated, purple urine bag syndrome can lead to complications associated with progressive lower urinary tract infections. This article discusses how to identify, diagnose, and treat purple urine bag syndrome.