Management of Hypercalcemia with Normal PTH, Magnesium, Vitamin D, and Phosphorus

Diagnostic Considerations

• The American Journal of Kidney Diseases recommends reviewing all medications, particularly calcium supplements, as they can contribute to hypercalcemia 1
• The American Journal of Kidney Diseases suggests measuring 24-hour urinary calcium excretion to evaluate for familial hypocalciuric hypercalcemia (FHH) 2

Treatment Approach

• The American Journal of Kidney Diseases advises against starting vitamin D therapy, as it could worsen hypercalcemia, and against initiating calcium supplementation, which would exacerbate the condition 1, 2, 5

Follow-up and Monitoring

• The American Journal of Kidney Diseases recommends monitoring serum calcium and ionized calcium levels every 1-2 weeks until stable 3, 4