Acute kidney failure occurs suddenly. Chronic kidney failure (renal insufficiency) develops gradually. More about causes, symptoms, and therapy. The two kidneys are vital human organs. Their main task is the formation of urine (urine).

About him the body excretes certain substances. If the kidney function slows down, it is called one chronic renal failure (CRF) or chronic renal failure. On the other hand, if urine production stops very suddenly, it is called acute renal failure (ANV).