Kidney stones are accumulations of mineral salts that form crystals which clump together forming either jagged or smooth 'stones'. They can lodge anywhere along the course of the urinary tract. Symptoms include agonizing pain radiating from the upper back to the lower abdomen and groin, profuse sweating, frequent urination, pus and blood in the urine, odorous or cloudy urine, nausea and vomiting, and sometimes chills and fever. Men are much more likely to get them than wome