Dialysis keeps your body in balance by: removing waste, salt and extra water to prevent them from building up in the body. keeping a safe level of certain chemicals in your blood, such as potassium, sodium and bicarbonate. helping to control blood pressure.
They're responsible for purifying your blood by removing waste and excess fluid from your body. When the kidneys don't work properly, dialysis is used to perform the function of the kidneys. Dialysis has been used since the 1940s to treat people with kidney problems.
The cause might be a chronic, or long-term condition, or an acute problem, such as an injury or a short-term illness that affects the kidneys. Dialysis prevents the waste products in the blood from reaching hazardous levels.