What Is the First-Line Treatment of Acute Hypercalcemia?

Acute hypercalcemia requiring prompt medical intervention. The approach depends on severity and on the patient's renal function at presentation.

Intravenous fluid resuscitation is central to initial management. For patients with significant renal impairment, additional interventions beyond hydration alone may need to be considered.

The full protocol — including volumes, thresholds, sequencing, and renal-specific steps — is in the structured regimen below.