Inability to Urinate TreatmentMedically Reviewed by Sabrina Felson, MD on February 12, 2024 Written by WebMD Editorial Contributors 1 min read 1. Get Medical Help ImmediatelyGo to a hospital emergency room.2. Follow UpEmergency personnel will insert a catheter, or narrow tube, into the urethra to drain the bladder.Doctors may perform several tests to determine the cause and treatment.