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Kidney Disease
                                                                          — A Guide for Patients

        SALT                                                                            FOODS TO AVOID
        Salt is an important aspect
        of dietary treatment at all
        stages of your kidney
        disease. High intake of salt,
        from the diet, can cause
        problems with blood
        pressure control and fluid
        retention. It is advised to
        avoid adding any salt to
        meals and also to reduce
        the intake of very salty
        foods such as processed
        meats, bacon, sausages,
        soup and packet sauces.
        Your dietician will advise
        you on suitable alternatives
        to using salt.

           Protein intake from the diet is important during        PHOSPHATE
        the progression of chronic kidney disease and also            Phosphate is another mineral found in
        when you commence dialysis. The protein we eat is          many foods, mainly meat and dairy products
        used for tissue repair and growth. Any unused              such as milk, cheese, yoghurts, and also bran
        protein is broken down into waste products, including      nuts and cola. Calcium and phosphate work
        urea and creatinine. As your kidneys are unable to         together to keep your bones, teeth and blood
        excrete urea and creatinine properly, they build up in     vessels healthy. When phosphate and calcium
        your blood and cause symptoms such as nausea and           levels are elevated, or out of balance in kidney
        loss of appetite.                                          disease, the extra calcium and phosphate join
           By eating large amounts of protein foods e.g.           together to form hard deposits in your body.
        meat, fish, chicken, eggs, cheese, milk and yoghurt        This is known as calcification. These deposits
        before commencing dialysis, you will affect the build-     can form in the heart, lungs, blood vessels,
        up of urea and creatinine in your blood. An                joints and other soft tissue. High phosphate
        appropriate daily intake of protein should be advised      levels also affect your bones, causing kidney
        by your dietician.                                         bone disease. Over time bones become brittle,
           However, once dialysis treatment has commenced          weak and painful and liable to fracture easily.
                                                                      As with potassium, an elevated phosphate
        it is important to make sure that your body is getting
        enough protein to prevent malnutrition. Some of your       level will require you to reduce the intake of
                                                                   phosphate from your diet. It may also be
        stores of protein are lost during the haemodialysis
        and CAPD sessions.                                         necessary to take phosphate binding
                                                                   substances with your food to reduce the
           How much protein you need depends on your
        body size and is specific to each individual.              absorption of phosphate from the gut.

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