How Much Calcium in Blood Is Too Much?
Calcium is the most abundant mineral in the human body. It is required not only for healthy bones and teeth, but also for the proper function of nearly every cell and organ in the body. To ensure proper body and cell function, calcium levels must fall within a certain range.
Healthy Levels
A healthy blood calcium level is higher in children than in adults, as children's bones are still growing. Adult calcium levels should fall between 9.0 mg/dL (milligrams per deciliter) to 10.5 mg/dL. For children, a normal level is 7.6 mg/dL to 10.8 mg/dL.
Symptoms
According to MayoClinic.com, symptoms of too much calcium in the blood may range from nonexistent to severe. Too much calcium (hypercalcemia) can kill cells and cause the development of kidney stones, abdominal pain, muscle and joint aches, confusion, lethargy and fatigue. Chemocare.com states that too little calcium (hypocalcemia) can cause problems such as weakened bones and teeth, muscle tightening and cramps, muscle weakness, muscle twitching or a tingling sensation in toes and fingers, depression and confusion. Only a blood test can determine if these symptoms are caused by too little or too much calcium or by another disease or condition.
Effects
If medical treatment is not sought, permanent damage, or even death, may occur. Because calcium is needed for general body function, too much or too little of the mineral will affect cells, bones, muscles, the brain and neurological function.
Causes
According to the Mayo Clinic, the most frequent causes of hypercalcium is overactivity of the parathyroid glands, which sit next to the thyroid and regulate the production of calcium. Other causes of too much calcium include excessive use of calcium and vitamin D supplements, cancer and some medications. Chemocare.com states that some causes of hypocalcaemia, or low calcium levels, can include a vitamin D deficiency, chronic renal failure, alcoholism, certain types of cancer and blood disorders, certain drugs, and cancer treatments including chemotherapy.
Prevention/Solution
Calcium has been added to many commonly used, over-the-counter products, such as calcium supplements and antacids. These should not be used in excess. The Mayo Clinic suggests that to prevent hypercalcemia, you should drink plenty of water to remain hydrated, as this can help prevent kidney stones. You should not smoke, and you should get plenty of exercise, especially weight-bearing exercise to keep bones and muscles strong. ChemoCare.com suggests that to treat and prevent hypocalcaemia, take calcium and vitamin D supplements, eat calcium-rich foods such as sardines (with the bones), kale and collard greens, tofu, yogurt, cheese and milk, and eat other food and juice products supplemented with calcium. Always seek medical advice and treatment for symptoms. Only a doctor can determine the treatment that is right for you.
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