Eating the right amount of protein, sodium, potassium or phosphorus may help control the buildup of waste and fluid in your blood. This means your kidneys do not have to work as hard to remove the extra waste and fluid.
Your body needs protein to help build muscle, repair tissue, and fight infection. If you have kidney disease, you may need to watch how much protein you eat. Having too much protein can cause waste to build up in your blood. Your kidneys may not be able to remove all the extra waste. It is important to eat the right amount of protein each day. The amount of protein you need is based on your body size, your kidney problem, and the amount of protein that may be in your urine. Protein intake should not be too low, or it may cause other problems. Your dietitian or healthcare provider can tell you how much protein you should eat.
Healthy kidneys control how much sodium is in your body. If your kidneys do not work well, too much sodium can cause fluid buildup, swelling, higher blood pressure, and strain on your heart. Your dietitian or healthcare provider can tell you the right amount of sodium you should have each day.
Potassium works with the muscles, including the heart. Too much or too little potassium in the blood can be very dangerous. The amount of potassium you need is based on how well your kidneys are working and medications you are taking. Your dietitian or healthcare provider can tell you about foods that have potassium and the right amount for you to eat each day.
As kidney function gets lower, extra phosphorus can start building up in the blood. High phosphorus levels can cause bones to get weaker. Your dietitian or healthcare provider can tell you if you need to limit goods that are high in phosphorus.
Foods that are good sources of calcium are often high in phosphorus. Your dietitian or healthcare provider will tell you if you need to limit calcium. Talk to your healthcare provider before taking any over the counter vitamin D or calcium supplements.
Will I need to limit fluid?
Most people in the early stages of kidney disease do not need to limit the amount of fluids they drink. If you do not know your stage of kidney disease, ask your healthcare provider.
If your kidney disease gets worse, your dietitian or healthcare provider can let you know if you need to limit fluids and how much to drink each day.
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