Aims: The aim of the study was to compare the effect of the short term (2-4 weeks) pretreatment of BPH with dutasteride and finasteride on bleeding after TURP. To date no study has been done which has compared 2 weeks of preoperative finasteride and placebo with 2 and 4 weeks of preoperative dutasteride. Materials and methods: A prospective randomized double blind study was conducted in for a period of 2 years. All patients presenting with lower urinary tract symptoms (LUTS) suggestive of enlarged prostate were evaluated further as required. All cases who were diagnosed to have BPH and were planned for surgery were included in the study