pediatrics
Neonatal Hypercalcemia
Introduction
Hypercalcemia is total serum calcium>12 mg/dL (>3 mmol/L) or ionized calcium>6 mg/dL (> 1.5 mmol/L). The most common cause is iatrogenic. Gastrointestinal signs may occur (eg, anorexia, vomiting, constipation) and sometimes lethargy or seizures. Treatment is IV normal saline plusfurosemideand sometimes corticosteroids,calcitonin, and bisphosphonates. (See also general discussion of Hypercalcemia .) 