Hello dear Understand your concern You have chronic urinary retention. Following are the causes of it: Prostate: Benign hyperplasia, prostatitis or cancer Neurogenic dysfunction:pelvic splanich nerve damage, demylinating disorder Detrusor muscle dysfunction. Most common cause is prostate pathology. In which Alfa blocker is provide that relax the smooth muscle of prostate and help in relieving the symptoms of retention. Along with this you can try: Bladder training exercise, Avoid alcohol and caffeine and Pelvic floor exercise. Use Medical device like urethral insert if not response to drugs and behavior technique keep lat option of surgery like Bladder neck obstruction So first go for medical device and if that do not respond than surgery. Hope this may help you Best regards Dr. Sagar