Acute Hypercalcemia Following Excessive Calcium Supplementation in a Dehydrated Patient With Progressive Multiple Sclerosis: Vitamin D Supplementation Is a Red Herring—Reply

Recently, the Institute of Medicine recommended that individuals aged 51 to 70 years (our patient's age bracket) have a daily intake level of 1200 mg of calcium and 600 IU of vitamin D. It also suggested tolerable daily upper intake levels of 2000 mg and 4000 IU for calcium and vitamin D, respe...

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Published inArchives of neurology (Chicago) Vol. 69; no. 6; pp. 793 - 794
Main Authors Marcus, Jacqueline F, Goodin, Douglas S, Harris, Charles A, Josephson, S. Andrew
Format Journal Article
LanguageEnglish
Published United States American Medical Association 01.06.2012
Subjects
Calcium
Diet
Patients
Vitamin D
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Summary:Recently, the Institute of Medicine recommended that individuals aged 51 to 70 years (our patient's age bracket) have a daily intake level of 1200 mg of calcium and 600 IU of vitamin D. It also suggested tolerable daily upper intake levels of 2000 mg and 4000 IU for calcium and vitamin D, respectively. Referring to these recommendations, Hanwell and Kimball conclude that our patient was taking an "exceptionally high" dose of calcium (2020 mg), which, when combined with her dietary intake, was "far in excess" of the tolerable upper level of intake of 2000 mg per day and solely responsible for her clinical presentation. They assert that vitamin D "did not play a role in this case of hypercalcemia.
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ISSN:0003-9942
2168-6149
1538-3687
2168-6157
DOI:10.1001/archneurol.2012.203