What is the cause of hypercalcemia?

Causes of Hypercal. Causes are divided into outpatients and in patients. In Outpatients the most common cause is Hyperparathyroidism. In inpatients, the most common cause is metastatic cancer to the bones. There are other causes such as medication, vitamin d overdose, etc.
Several. It could be increased usage of some medications like ca, vit d supplements, diuretics like hydrochlorothiazide. It can also be seen in some cancers or a condition of over activity of hyperparathyroid gland. Some conditions in the body can cause increased vit d activation.

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