While doing the kidney cleanse your fluid intake is most important. You need to keep in freshly squeezed live juices and plenty of water and the teas. Used distilled water for the teas, and drink distilled water, as it will pull toxins out of the kidneys. Only drink distilled water while doing the 5 day kidney cleanse, then go back to drinking a natural spring water. Lack of energy and weight gain are very common, these occur because the body is now working hard to find another outlet for the toxic waste.
Backaches are another side effect of a poorly functioning kidney.
Severe kidney problems tend to take you by surprise, because you do not start to feel pain until the kidneys are already having serious problems. In men the first signs may be prostrate problems. The prostrate gland becoming more and more toxic causes this. Kidney and Bladder infections with burning urine are another side effect. There was a man whose kidney failed.