Journal of Medicine and Life Science

Institute for Medical Science (제주대학교 의과학연구소)
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High dose vitamin D injection induced severe hypercalcemia

비타민 D 고용량 주사로 인한 심한 고칼슘혈증 발생 1예

  • 이상아 (제주대학교 의학전문대학원) ;
  • 문재철 (제주대학교 의학전문대학원)
  • Received : 2019.04.07
  • Accepted : 2019.04.28
  • Published : 2019.04.30
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Abstract

Hypercalcemia is often seen in patients, but most of them showed mild to moderate hypercalcemia. The severe hypercalcemia with a blood calcium level of 14.0 mg/dL or more is known to be associated mainly with malignant tumors. Because this is emergency status, most clinicians tried to decrease serum calcium level to near normal range to improve symptoms related to hypercalcemia. A 71-year-old female patient visited the emergency room with dizziness and general weakness. Her serum calcium level was very high (15.6 mg/dL), but serum PTH, 25-OH vitamin D, and PTH related peptide were normal. We can exclude hyperparathyroidism, familial hypocalciuric hypercalcemia, other connective tissue diseases, and hypercalcemia due to malignant tumors as a cause of severe hypercalcemia. Conclusively, we diagnosed as severe hypercalcemia due to high-dose vitamin D injections treated one week ago. High dose vitamin D injections have recently been shown to increase the frequency of prescription as the various causes and the clinicians needed to carefully monitor the serum calcium levels in the patients after treating with high dose vitamin D.

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References

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