Urine crystals form when there are too many minerals in a person’s urine. Crystals in urine may cause no symptoms or may include lower back pain and nausea. When there is an excessive buildup of one ...

Urine should typically be clear and not murky, though the color can vary. Sediment, or specks, in your urine, can make it look cloudy. It can be a sign of a number of conditions. In many cases, ...