What are the risk factors for urinary calculi?

The six major risk factors for urinary calculi are urine volume, urine pH, calcium, oxalic acid, uric acid, and acid mucopolysaccharides. The main factors for calcium-containing calculi include decreased urine volume, increased urine pH, excessive excretion of calcium, oxalic acid, and uric acid, and decreased excretion of acid mucopolysaccharides crystallization inhibitors. Kidney stones are caused by drug factors, related drugs are divided into two categories, urine concentration is high and solubility is relatively low drugs, can induce stone formation drugs, pay attention to these problems, can reduce the formation of stones.