What is the difference between black kidney stones, & white ones? bedrid for 5 days but they were blocking r kidney. finally pasd but they were black.

Altered blood: Most stone are whitish. A stone can turn black if there is bleeding and blood stains the stone. Calcium oxalate, the commonest type of stone can be black. Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.