Calcium keeps your bones, muscles, heart, and nerves working properly, but many adults do not get enough. If you are low on calcium, you might notice things like muscle cramps, tingling, or mood ...

Excessive calcium in the blood, known as hypercalcemia, can disrupt the heart’s electrical system, potentially leading to an irregular heartbeat or arrhythmia. Hypercalcemia is more likely to cause a ...

Dear Dr. Donohue • I am a 48-year-old female whose physician is puzzled as to why my blood work shows low calcium in spite of my taking four Calcium 600 plus vitamin D pills per day. — P.W. Answer • ...

Hyperparathyroidism can cause unusually high calcium levels in the blood. This can lead to back pain when there is damage to the kidneys or bones. It can also cause muscle pain. Share on Pinterest ...