how long does a person live after kidney failure
However, missing dialysis means more toxins will build up in the body so as to the patient becoming sick. Generally, the exact answer of how long can renal failure patients live without renal failure depends on the kidney function that they still have.If the person is passing a reasonable amount of urine, he may be able to survive a few weeks to over a month, otherwise he may survive only a few days to two weeks.enerally, people wonât begin dialysis until their kidney function drops to 15% or less. Once the renal failure patients begin dialysis, they must know the importance of receiving their dialysis treatments as scheduled.