Kidney Stone Normal Level. In general high urine oxalate comes from high oxalate diets low calcium diets or the combination of high oxalate and low calcium together. Kidney stones typically form in the kidney and leave the body in the urine stream.
If tiny crystals are formed then they may be removed and no kidney stones will be formed. Stone risk increases with increasing urine oxalate and if the risk ratio is not as high as for calcium risk appears at very low levels of excretion above 25 mg day. These numbers may rise.
A small stone may pass without causing symptoms.
If it becomes lodged in the ureters it may block the flow of urine and cause the kidney to swell and the ureter to spasm which can be very painful. The national kidney foundation note that serum creatine levels above 1 2 for women or 1 4 for men may be an early sign that the kidneys are not functioning as they should. In general high urine oxalate comes from high oxalate diets low calcium diets or the combination of high oxalate and low calcium together. Fruits with high levels of citric acid such as oranges and lemons have also demonstrated a positive effect in preventing kidney stones according to a 2014 review of studies.