How Does Calcitonin Nasal Spray Work?

Calcitonin salmon nasal spray works by reducing the rate of bone breakdown caused by cells in the bone called osteoclasts and may encourage cells called osteoblasts to build up the bones. This increases the density of bone in the lower spine.

How quickly does calcitonin work?

6. Response and effectiveness. Calcitonin nasal spray is rapidly absorbed with a maximum time to peak effect of 13 minutes. It has a short half-life (18 minutes); however, its effects are long-lasting and once-daily dosing is effective for the treatment of osteoporosis.

How long can you take calcitonin?

Calcitonin is used as a short-term treatment (for 2–4 weeks) to help prevent bone loss if you're immobilised following an osteoporotic fracture.