Because of the risk of osteosarcoma with this medication, parathyroid hormone injection is only available through a special program called natpara rems. You, your doctor, and your pharmacist must be … What is this medication?

Natpara is a prescription parathyroid hormone used with calcium and vitamin d to control low blood calcium (hypocalcemia) in people with low parathyroid hormone blood levels (hypoparathyroidism). Natpara (parathyroid hormone) for injection is a parathyroid hormone indicated as an adjunct to calcium and vitamin d to control hypocalcemia in patients with hypoparathyroidism.