Kidney stones (also called renal lithiasis) and ureteral stones (kidney stones that have moved to the ureters) are both a type of stone disease, otherwise known as urolithiasis. Stone disease is the most common type of urological disorder and is thought to be the most painful. Signs and symptoms of kidney and ureteral stones may include: Pain in the back and side, often just below the ribs Pain that changes, for example: It spreads to the lower abdomen and possibly the groin It comes in waves It changes in intensity It shifts locations Pain with urination Nausea and/or vomiting More frequent urination Urine that is cloudy or has a strong, foul smell Blood in the urine