Kidney stones are pebble-sized deposits that form when there’s too much salt and minerals in your urine. Learn whether men or women are more at risk, what passing one feels like, and how big ...

When the levels of calcium and oxalate in your urine are persistently high, the crystals can form into a solid mass known as ...

Normally, urine contains chemicals that prevent the crystals from forming. Kidney stones may contain various combinations of chemicals ... of the body travel through the skin and body tissues until ...

and blood in the urine. People who pass a kidney stone may also sometimes develop a GI disorder known as irritable bowel syndrome (IBS), characterized by gas, bloating, cramps, and constipation or ...

They "can get in tight spaces in the urinary tract, which can obstruct the flow of urine and create stretch on the kidney." That distension "can be very painful." Kidney stones are generally ...