Renal failure refers to the kidney function damage caused by kidney pathology or trauma for example, excretion of metabolic wastes, regulation of acid-base balance and so on. Commonly, there are two kinds of renal failure, chronic renal failure and acute renal failure. The following are clinical symptoms and treatment methods of renal failure.

The Clinical Symptoms of Renal failure:
There are many symptoms of renal failure, and the symptoms vary from different patients with renal failure in various stage of renal failure. Therefore, finding out some symptoms of renal failure does help in further treatment of renal failure.

The renal failure can be divided into five stages:
The first stage: Nominal filtration value of glomerulus （GFR ml/min/1.73㎡）, is almost normal （GRF≧90）
Second stage: Filtration value of glomerulus is slightly innormal（GFR：60~89）
In the above two stages, there is hardly any obvious symptoms because kidney metabolic functions can still work normally.
Third stage: Filtration value of glomerulus is more and more innormal（GFR：30~59）. In this stage, metabolic function gradually loses its function. The main clinical symptoms are increase of urinary production and BUN value, some patients have slight
Fourth stage: Filtration value of glomerulus is strongly affected （GFR：15~29）
In this stage, patients with renal failure can cause metabolic acidosis because of unbalance of human body fluid, low blood calcium, high blood scales, hypertension, anemia and other many clinical symptoms.
Fifth stage: Severe renal failure, the GFR value is less than 15
Some patients with renal failure have severe edema. In addition, patients in this stage should have dialysis treatment to maintain life.

Treatment:
Three principals of conservative treatment:
1.Accept Life Coach:
Patients with renal failure cannot do strenuous exercise; they should prevent upper respiratory tract infection and try to do treat in the early stage.
2.Diet Treatment:
●Limit the intake of protein: Adults had better take in about 30g protein every day; it should mainly about animal protein.
●Maintain high heat inside body: people should take in at least 2000 calorie everyday.
●Pay attention to the intake of water and sodium salt if patients with renal failure have diuresis.
3.Try to control blood pressure

Getting Rid of Causative factors
Various infections are common causes of renal failure. Besides, trauma and operations can cause renal failure.

Common Treatment
In compensation stage of chronic renal failure, patients should actively treat the primary affections to prevent it developing into uremia. Besides treatment, patients should avoid getting cold, wet and reduce workloads.

Dialysis and Kidney transplant
The purposes: to expel the reasons of leading to renal failure and find out the reversibility factors which can help further treatment.