Antimicrobial substances in urine of patients attending department of genitourinary medicine.

The prevalence of antimicrobial substances in the urine of new patients attending a genitourinary department and patients reattending with a new condition (rebook patients) was 4.1% (33 of 812 patients). Only 17 of 33 patients (52%) found to have an antimicrobial in the urine declared their antimicrobial intake at their initial physician interview and examination. The presence of antimicrobial substances had little influence on the diagnosis or management of patients.