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By Mayo Clinic staffControlling your blood pressure is one of the most important ways you can help slow kidney damage from IgA nephropathy. Your doctor may recommend changes in your diet — such as limiting your salt intake — to help manage your blood pressure. A low-salt diet can also help minimize fluid retention and swelling. Other dietary changes, such as reducing the amount of protein you eat and taking steps to decrease your cholesterol levels, also may help slow the progression of IgA nephropathy and protect your kidneys. In some cases, avoiding gluten — a protein found in most grains — may help. If your doctor doesn't discuss dietary changes with you, be sure to ask.
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