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When kidneys fail they can no longer remove excess potassium, so the level builds up in the body. High potassium in the blood is called hyperkalemia, which may occur in people with advanced stages of chronic kidney disease (CKD). Some of the effects of high potassium are nausea, weakness, numbness and slow pulse.

Knowing what to eat when you have kidney di is very important. Kidneys filter wastes created by the foods you eat to help to keep the right balance of nutrients and minerals in your blood and in your body.

When you have chronic kidney disease (CKD), your kidneys cannot remove phosphorus very well. High phosphorus levels can cause damage to your body. Extra phosphorus causes body changes that pull calcium out of your bones, making them weak. ... Phosphorus and calcium control are very important for your overall health.