What is the efficacy of dietary calcium and vitamin D reduction for the treatment of hypercalcemia?

Updated: Dec 03, 2020
  • Author: Mahendra Agraharkar, MD, MBBS, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Reduction of dietary calcium and vitamin D intake is effective for treating hypercalcemia due to increased intestinal calcium absorption (eg, in idiopathic infantile hypercalcemia, ie, Williams syndrome). In vitamin D toxicity or extrarenal synthesis of 1,25(OH) D3 (eg, in sarcoidosis), prednisone may help reduce plasma calcium levels by reducing intestinal calcium absorption. Oral phosphate also can be used to form insoluble calcium phosphate in the gut.

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