Genetic predisposition, Excess of calcium or other minerals in the diet. Excess of Uric acid, Vitamin C, Vitamin D in the diet, Dehydration leading to concentrated urine. High environmental temperature causing sweating and fluid loss, Sedentary lifestyle. Bowel diseases like ulcerative colitis,Burning in Urine, Renal tubular acidosis, Diets rich in fruits and vegetables that contain oxalate. Lack of factors that inhibit stone formation like citrate and magnesium.