The renal failure is nothing but the kidney failure in the body. The kidney is the important one for the body function. The electrolyte levels are balanced by the kidney organ. The amount of fluid is monitored by the kidney. The sodium and the potassium are the electrolytes in the body. Some of the chronic problems will cause the kidney failure in the body. The loss of blood supply is one cause for this condition. The kidney stones and the poor intake of fluids is also one reason. The loss of appetite, anemia, coma, weakness and the shortness of breath are the major symptoms of this disease. The urine test is the main thing to examine this disease. The prevention is the best one for this condition. you have to control the blood pressure levels for the prevention.