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 … Important information regarding the closure of the natpara ® (parathyroid hormone) u. s.

What is this medication? Parathyroid hormone (para thi roid) is used to increase calcium levels in patients with low amounts of parathyroid hormone. 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).