What is the treatment for severe hypocalcemia?

Updated: Aug 08, 2019
  • Author: Manish Suneja, MD, FASN, FACP; Chief Editor: Vecihi Batuman, MD, FASN  more...
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IV replacement is recommended in symptomatic or severe hypocalcemia with cardiac arrhythmias or tetany. Doses of 100-300 mg of elemental calcium (10 mL of calcium gluconate contains 90 mg elemental calcium; 10 mL of calcium chloride contains 272 mg elemental calcium) in 50-100 mL of 5% dextrose in water (D5W) should be given over 5-10 minutes. This dosage raises the ionized level to 0.5-1.5 mmol and should last 1-2 hours. Caution should be used when giving calcium chloride intravenously.

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