Dialysis: Often when kidneys stop functioning normally in humans, patients are referred to start dialysis. Dialysis, helps a patient by purifying the blood and filtering it using a machine. This way of treatment ensures that the requisite balance between electrolytes is maintained and the fluids also remained balanced according to the body’s necessity. The waste in the blood and all the toxins are also filtered and removed by a semipermeable membrane whilst the course of dialysis. Dialysis is also scientifically referred to as renal replacement therapy. Treatment is continued to be given for kidneys alongside to patients because recovery has been seen in patients in some cases of acute kidney failure. Most patients feel some or no discomfort at all during dialysis. It's a very comfortable procedure and is completely pain free.