Decrease Salt Intake
A diet low in salt content should be followed if swelling of the hands or feet is present. The American Heart Association recommends consuming no more than 1500mg of sodium a day. You can reduce the amount of sodium in your diet by avoiding processed foods, which tend to be high in sodium, and choosing fresh foods instead. In particular, canned foods, broths, soups, pretzels, chips and condiments typically contain the most sodium.
Limit Consumption of Protein
Protein consumption should be limited in those with proteinuria, a condition in which protein is present in the urine. Proteinuria is dangerous because it can damage the kidney and even lead to kidney failure. It also contributes to swelling of the body due to loss of proteins.
Vitamin D Supplementation
Vitamin D supplementation may be required for patients with chronic membranous nephritis that is not responsive to treatment. Vitamin D is converted to its active form, 1,25-dihydroxyvitamin D, in the kidney. In chronic kidney disease, the ability of the kidney to synthesize this vitamin is reduced, therefore supplementation is sometimes warranted.
Reduce Fat and Cholesterol
A low fat, low cholesterol diet should be followed to avoid further elevation of cholesterol levels associated with membranous nephritis and to lower the risk of cardiovascular events. Dietary modification alone, however, will not lower your cholesterol as it is primarily caused by an increase in cholesterol synthesis by the liver and not because of diet.
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