Hypercalcemia

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Definition Symptoms Causes When to seek medical advice

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Definition

Hypercalcemia is a condition in which the calcium level in your blood is above normal. Calcium is necessary for bone formation. It also plays an important role in contracting muscles, releasing hormones and maintaining nerve and brain function. Too much calcium, however, can interfere with these processes.

The main cause of hypercalcemia is overactivity in one or more of the four glands that regulate calcium in your body (parathyroid glands). Women older than 50 are most likely to develop hypercalcemia caused by overactive parathyroid glands. Other causes of hypercalcemia include cancer, certain other medical disorders, some medications and excessive use of calcium and vitamin D supplements.

Signs and symptoms of hypercalcemia may range from mild to severe. Treatment depends on the underlying cause.

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Symptoms