Hi-My grandson has been on steroids (Pulmison 20 mg, the 10 days on & 10 days off regime) for about the last two years. I'm a little concerned as his bone density scan has now revealed "severe osteoporosis" and we've stopped his steroids. He was on a chewable Calcium & Vit A supplement which obviously was not adequate.His Orthopaedic Paediatrician has now prescribed med's specifically for…