Calcitonin Salmon Nasal Spray 200U Strength 3.7 mL (RX) **Refrigeration RequiredCalcitonin Salmon Nasal Spray 200U is a medication used for the treatment of postmenopausal osteoporosis, Pagets disease of bone, and hypercalcemia (elevated levels of calcium in the blood). It is a synthetic version of the hormone calcitonin, which is naturally produced by the thyroid gland. This medication works by slowing the breakdown of bones in the body and increasing bone density, which helps to prevent fractures and bone pain. It is