Interim antibiotic use and self-reported side effects to trial medications (n = 408).

VD = vaginal discharge, UTI = urinary tract infection, PID = pelvic inflammatory disease, HSV = herpes simplex.virus. Data available from the month one questionnaires for 367–395 (90–96%) participants for specific side effects. Proportion with missing data did not differ between arms. Denominators used to calculate proportions with side effects in each treatment group reflecting available and not missing data.*Unknown oral therapies may have been antibiotics or oral antifungals and could not be verified,†likely to have represented vaginal antifungal agents but could not be substantiated.