The primary cause for high calcium blood levels is hyperparathyroidism, reports the UCLA Health System. Other causes include lung or breast cancer, kidney disease, and commonly prescribed high blood pressure medications. More » Health Medical Ranges & Levels

Causes of high calcium levels in the blood include hyperparathyroidism, multiple myeloma and sarcoidosis, according to the Norman Parathyroid Center. The cause of the condition in more than 99 percent of cases is hyperpa... More » Health Pain & Symptoms

It is not impossible for food to lead to high calcium levels in the blood, but it is very rare. Therefore, diet is not normally a suspected cause in cases of high blood calcium, or hypercalcemia. More » Health Nutrition & Diets Nutritional Content

Consuming excess calcium from foods and beverages, cancerous tumors, primary hyperparathyroidism, kidney failure, infectious diseases, hyperthyroidism, inflammatory diseases and the use of certain medications are all pot... More » Health Medical Ranges & Levels

A high level of calcium in the blood, or hypercalcemia, indicates underlying conditions, such as hyperparathyroidism; lung diseases and cancers; dehydration; side effects of medications, such as thiazide diuretics; and h... More »

The medical community generally believes that disruptions in the cellular structure of the prostate gland cause increased blood levels of PSA, reports MedicineNet. Such disruptions often indicate the presence of cancer, ... More » Health Medical Ranges & Levels

Hypercalcemia, the medical term for a high calcium level, occurs when too much calcium builds up in the blood, states MedlinePlus. In adults, a normal calcium level ranges from 8.8 to 10.4 milligrams per deciliter, accor... More » Health Conditions & Diseases