Hypocalcemia is a condition where blood levels of calcium are low. Calcium is a salt that is important to many systems in the body, especially heart and muscle function. Prolonged low calcium levels can result in poor bone formation, which may result in brittle bones that are prone to fractures.
Review Date 12/10/2021
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.