What causes small left kidney stones?

Kidney stone is caused by some factors in the urine stone substance concentration is too high or solubility is reduced, precipitation crystals in the local growth, gradually forming stones, urology is common disease and frequent disease, its incidence and race, genetics, environment, diet, metabolism and urinary system diseases. Pain and hematuria are the main symptoms of kidney stones, pain can be dull pain, pain and colic, hematuria can be microscopic or macroscopic hematuria; Kidney stones sometimes cause urinary tract obstruction and hydronephrosis. Clinically, treatment options are generally selected according to the size, location and degree of hydronephrosis of the stones. Small stones can be discharged by themselves.