If a kidney stone is stuck in the ureter, you may need to have a ureteroscopy, which is also sometimes known as retrograde intrarenal surgery (RIRS). It involves passing a long, thin telescope called a ureteroscope through your urethra (the tube urine passes through on its way out of the body) and into your bladder.
Small kidney stones may go undetected and be passed out painlessly in the urine. But it's fairly common for a stone to block part of the urinary system, such as the:
A blockage can cause severe pain in the abdomen or groin and sometimes causes a urinary tract infection (UTI).
Kidney stones are usually formed following a build-up of certain chemicals in the body.
This build-up may be any of the following:
Certain medical conditions can lead to an unusually high level of these substances in your urine.
You're also more likely to develop kidney stones if you don't drink enough fluids.
Some people are particularly likely to keep on developing kidney stones, including people who: