What are the signs and symptoms of hypercalcemia?

Updated: Apr 29, 2020
  • Author: Thomas E Green, DO, MPH, MMM, CPE, FACEP, FACOEP; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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As calcium levels increase, the following symptoms may occur:

  • Nausea

  • Vomiting

  • Alterations of mental status

  • Abdominal or flank pain (The workup of patients with a new kidney stone occasionally reveals an elevated calcium level.)

  • Constipation

  • Lethargy

  • Depression

  • Weakness and vague muscle/joint aches

  • Polyuria, polydipsia, nocturia

  • Headache

  • Confusion

Severe elevations in calcium levels may cause coma.

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