Summary
The effect of a single oral dose of ammonium chloride on urinary calcium, magnesium and sodium, has been studied.
A significant increase in the urine values of all three cations was observed on the day of the ammonium chloride administration. A significant increase in urine calcium persisted on the next day. A significant positive correlation was observed between urinary calcium and urinary magnesium on the 3 days of the test.
In order that falsely elevated values should not be obtained, twenty-four hour urine calcium estimations should not be carried out for at least 48 hours following an ammonium chloride acid load.
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This work was supported in part by the Sydney Hospital Research Fund, Sydney Hospital, Sydney, N.S.W., 200, Australia.
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Lavan, J.N. The effect of oral ammonium chloride on the urinary excretion of calcium, magnesium and sodium in man. I. J. Med. Sc. 2, 223–227 (1969). https://doi.org/10.1007/BF02955379
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DOI: https://doi.org/10.1007/BF02955379