To invesgate efficacy of diclofenac compared to placebo in relleving pain on removal of indwelling uretheters. This study was a randomized controlled trial, double blind, comparing diclofenac with placebo in relieving pain on removal of indwelling urethral catheters. Adult male patients with indwelling catheters admitted in surgical warrd of RSUP Dr. Sardjito Yogyakarta who met the inclusion…