Kidney Stone Pain Causes. It s not the stone itself that causes pain. This causes a blockage which makes pressure build up in the kidney.
The patient passes urine frequently. Then the same sufferings begin again. Symptoms of a kidney stone include flank pain the pain can be quite severe and blood in the urine.
Usually the pain starts when a stone moves into the narrow ureter.
Mild to moderate symptoms may occur during the passage of a small stone. When a stone blocks the flow of urine through the urinary tract backed up urine can put. This causes a blockage which makes pressure build up in the kidney. As the sand passes along the urethra it causes severe pain which is relieved when it is expelled.