What are the characteristics of painful urination with bladder stones Bladder stone symptoms are sudden interruption of urine flow and severe pain in the head of the penis when the patient is urinating. This is due to the spasm of the bladder sphincter caused by the stone suddenly becoming embedded in the inner orifice of the urethra. The patient is unable to urinate and is in great pain, especially in children, who pull the penis with their hands, jump on their feet, cry, and sweat profusely, sometimes with rectal prolapse. When the patient changes position and the stone moves, the patient can urinate again and the pain is relieved. In order to avoid severe pain during urination, the patient is often in a special urinary position, i.e., standing with knees bent forward and trunk tilted back about 30 degrees, and urinating carefully, and if the urine line becomes thin or interrupted, then changing the position appropriately to make the stone move before urinating.