Medications
Some medications and drugs would lead to hypercalcemia. Those people who take too many diuretics or water pills would suffer from serious fluid diuresis or the loss of body water as well as underproduction of calcium. Over time, it results in the excessive buildup of calcium in their blood. Using lithium to treat bipolar disorder would also increase the secretion of parathyroid hormone, which eventually raises calcium levels. The same effects might go for calcium or vitamin D supplements. Therefore, make sure to consult your doctor carefully and take the right dosages to reduce the risks. [4]
