Back pain is a symptom of kidney stones when the pain occurs below the ribs, according to Mayo Clinic. Kidney stones also cause pain in the side and pain that radiates to the groin or abdomen.
Mayo Clinic states that once a stone forms, it either stays in the kidney or travels to other parts of the urinary tract. In some cases, a stone is large enough to block the urinary tract, causing severe pain. Kidney stones also cause painful urination, foul-smelling or cloudy urine, nausea, vomiting, and increased urinary urgency. In some people, kidney stones cause infections, resulting in fever or chills. Kidney stones sometimes cause the urine to turn pink, brown or red.
If a stone is small enough to pass through the urinary tract on its own, it usually does not require any treatment, notes the National Kidney and Urologic Diseases Information Clearinghouse. Drinking plenty of fluids encourages the stone to pass through the urinary tract and out of the body. If a stone is too big to pass on its own, a doctor removes the stone or breaks the stone into smaller pieces that can pass through the urinary tract without injuring it.
Kidney stones form when there is too much phosphorus, calcium or oxalate in the urine. Not drinking enough fluids and taking certain medications also increase the risk for stones in some people, reports the NKUDIC.