Fortunately, surgery is not usually necessary. Most kidney stones can pass through the urinary system with plenty of water-2 to 3 quarts a day-to help move the stone along.
Once the stone is in the ureter, however, most people will experience bouts of very severe pain. The pain is crampy and spasmodic, and is referred to as "colic."
Small stones can be unnoticeable, otherwise -
Pain that comes in waves in the back, side, abdomen, groin, or genitals, especially during urination.
Nausea, vomiting
Blood in urine.
If you suspect...