Sunday, June 5

Special Diet for Kidney Stones



In calcium phosphate stones, over-secretion of parathyroid hormone causes loss of calcium
from the bones resulting in a high blood level of calcium with increased excretion of calcium in the urine. An abnormally high intake of milk, alkalis or vitamin D may also result in the formation of calcium phosphate stones.
For controlling the formation of calcium phosphate stones, a moderately low calcium and
phosphorous diet should be taken. The intake of calcium and phosphates should be restricted to minimal levels consistent with maintaining nutritional adequacy.
The maintenance level of calcium is 680 mg and of phosphorous 1000 mg. In this diet, milk
should constitute the main source of calcium and curd or cottage cheese, lentils and
groundnuts should form the main sources of phosphorous. Foods which should be avoided are whole wheat flour, Bengal gram, peas, soyabeans, beets, spinach, cauliflower, turnips, carrots,almonds and coconuts.

When stones are composed of calcium and magnesium phosphates and carbonates, the diet
should be so regulated as to maintain acidic urine. In such a diet, only half a litre of milk, twoservings of fruits and two servings of vegetables (200 grams) should be taken. The vegetables may consist of asparagus, fresh green peas, squash, pumpkins, turnips, cauliflower, cabbage and tomatoes. For fruits, watermelon, grapes, peaches, pears, pineapple, papayas and guavas may be taken


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