Green tea as an adjunctive therapy for treatment of acute uncomplicated cystitis in women: A randomized clinical trial.

Background: and purpose: Different in vitro studies have reported the antimicrobial effects of green tea catechins and also their synergistic effects with trimethoprim-sulfamethoxazole against E. coli. The aim of the present study was to evaluate the efficacy of green tea as an adjunctive therapy to standard antimicrobial treatment in women with acute uncomplicated cystitis.