How Long Do Kidney Stones Last? Kidney stones affect nearly one in 10 Americans each year, presenting a common and often painful condition. It is essential to gain knowledge about kidney stones, recognize their symptoms, and explore potential treatment options to navigate this challenging experience successfully. What Are Kidney Stones? Kidney stones, or renal calculi, are solid formations that begin in the kidneys. They form when certain waste products have difficulty dissolving properly in urine ...