Hypocalcemia, also known as calcium deficiency disease, occurs when calcium levels are too low in the plasma, the liquid part of the blood. Calcium is an important mineral necessary for helping the nerves send messages between the brain and the rest of the body. The bones require calcium to grow and stay strong. Muscle movement also requires calcium. While it may not cause any symptoms for some people, chronic hypocalcemia can lead to complications. Recognizing the symptoms when they occur is the best way to prevent complications.
Hypocalcemia can be asymptomatic in the early stages. Infants with the condition may have tremors or twitching. Adults who have early symptoms of the condition may have muscle spasms, swelling of the optic disc, fatigue, low blood pressure, a pins and needles sensation in the extremities, muscle stiffness, difficulty speaking or swallowing, parkinsonism, and memory issues. Some individuals will experience mood changes such as depression, anxiety, and irritability.
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