A urinalysis documenting the presence of pyuria (ie ... Underlie Recurrent UTIs? MedGenMed 1(1), 1999. [formerly published in Medscape Women's Health eJournal 1(5), 1996]. Available at: https ...

As many as 90 percent of uncomplicated cystitis episodes are caused by Escherichia coli, 10 to 20 percent are caused by coagulase-negative Staphylococcus saprophyticus and 5 percent or less are ...