In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan.


Renal stones are formed within the kidneys, and this is called nephrolithiasis. Urolithiasis is a condition that occurs when these stones exit the renal pelvis and move into the remainder of the urinary collecting system, which includes the ureters, bladder, and urethra. Many patients with urolithiasis can be managed with expectant management, analgesic, and anti-emetic medications; however, stones that are associated with obstruction, renal failure, and infection require further increasingly critical interventions.

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