TY - JOUR T1 - Trimethoprim reduced dysuria in women with symptoms of urinary tract infection but negative urine dipstick test results JF - Evidence Based Medicine JO - Evid Based Med SP - 19 LP - 19 DO - 10.1136/ebm.11.1.19 VL - 11 IS - 1 A2 - , Y1 - 2006/02/01 UR - http://ebm.bmj.com/content/11/1/19.abstract N2 - Richards D, Toop L, Chambers S, et al. Response to antibiotics of women with symptoms of urinary tract infection but negative dipstick urine test results: double blind randomised controlled trial. BMJ 2005;331:143.OpenUrlAbstract/FREE Full Text 
 
 Q Are antibiotics effective for treatment of women with symptoms of urinary tract infection (UTI) but negative results on urine dipstick testing? Clinical impact ratings GP/FP/Primary care ★★★★★★★ Design: randomised controlled trial. Allocation: concealed.* Blinding: blinded (patients, healthcare providers, data collectors, and {outcome assessors}†).* Follow-up period: 3 and 7 days. Setting: general practices in Christchurch, New Zealand. Patients: 66 women 16–50 years of age who presented with a history of dysuria and frequency and had a negative dipstick test for both leucocytes and nitrates. 7 women were excluded after randomisation because they did not meet the age criteria. Exclusion criteria were pregnancy, complicated UTI including symptoms of pyelonephritis, known allergy to trimethoprim, or proven UTI or treatment for presumed UTI in the past month. Intervention: 26 … ER -