Hypercalcemia is too much calcium in the blood. You need calcium to have strong bones. It also helps your muscles, heart, and nerves work as they should. But too much is dangerous.
Several problems can cause too much calcium in the blood. It can happen because of medicines or certain health problems. Some diseases can make your intestines take in too much calcium. And some can take calcium from your bones. A noncancerous tumor can grow in the glands that control calcium levels. And some cancers can cause high calcium levels.
These high levels may make you lose fluids (become dehydrated). You may get confused and very tired. Some people also have nausea, vomiting, and constipation. Your doctor will treat you based on how serious the problem is and what is causing it. Since too much calcium can be dangerous, it is important to treat it. You may get fluids to stop dehydration. You also may get medicine to help your body get rid of calcium through your urine or put it back into your bones. If a tumor is the cause, you may need surgery.
Hypercalcemia is an abnormally high level of calcium in the blood. It can be caused by high levels of parathyroid hormone (PTH) and may occur in hyperparathyroidism.
Hypercalcemia can also develop without high levels of PTH. This occurs in vitamin D overdose, prolonged periods of bed rest or immobilization, and some types of cancer.
Symptoms of hypercalcemia include weakness, lack of energy, not wanting to eat, nausea and vomiting, constipation, urinating a lot, belly pain, or bone pain.
Hypercalcemia is treated by determining and treating the cause of the high blood calcium. Saline and diuretics are given to help the body get rid of extra calcium. Calcitonin is given to help move extra calcium out of the blood. Bisphosphonates are also used.
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