Case Study: Differential Diagnosis – What are the possible causes of recurrent lower UTIs A 29-year-old single, sexually active woman reporting that she is in a monogamous relationship, has experienced five attacks of acute cystitis in the past year, all characterized by dysuria, increased frequency, and urgency. Each case was diagnosed on the basis of the clinical picture and a laboratory finding of bacteriuria. The urine bacterial counts in these cases ranged from 104 to 106 organisms/ml. Lab tests indicated that the third and fourth infections were caused by Escherichia coli, while the fifth infection was caused by an […]