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What causes kidney stones?

The kidney is an organ that is responsible for filtering excess fluid and waste from the blood and turning it into urine. Kidney stones can form when there is a high concentration of salts and minerals in the urine. When their concentration is high enough, the salts and minerals can form crystals that may stay in the kidney and group together to form a kidney stone.

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About this article

Author: Dr Bow Tauro PhD, BSc (Hons)
First answered: 18 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.1 out of 5
Votes: 411 (Click smiley face below to rate)
Category: Pelvic inflammatory disease


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