Nephrology - Kidney Stones

Practice Guidance Toolkit

Description and Key Nutrition Issues


Nephrolithiasis is a condition in which a hard mass (kidney stone) forms in the urinary tract (1,2). Risk factors for stone formation include low urinary volume, high urinary concentrations of crystal-forming substances (e.g. calcium, oxalate, phosphate, sodium and uric acid) and low urinary concentrations of crystal-inhibiting substances (e.g. citrate and magnesium) (1,2).
There are different types of kidney stones, with calcium oxalate stones being the most common (1,2). Stone formation
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Last Updated: 2023-05-04