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Definition
By Mayo Clinic staffBladder stones are hard masses of minerals in your bladder. Bladder stones develop when urine in your bladder becomes concentrated, causing minerals in your urine to crystallize. Concentrated, stagnant urine is often the result of not being able to completely empty your bladder.
Bladder stones don't always cause signs or symptoms and may be discovered during tests for other problems. When symptoms do occur, they can range from abdominal pain to blood in your urine.
Small bladder stones sometimes pass on their own, but you may need to have others removed by your doctor. Left untreated, bladder stones can cause infections and other complications.
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- Castle EP (expert opinion). Mayo Clinic, Scottsdale/Phoenix, Ariz. July 12, 2013.
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