Calcitonin Calcitonin is a short-term treatment used to prevent bone loss if you're immobilised after an osteoporotic fracture. Learn how it works, risks and side-effects. Calcium and vitamin D supplements Calcium and vitamin D supplements may be prescribed as part of the treatment for osteoporosis. Learn their uses and possible risks. Certolizumab pegol Certolizumab pegol is an anti-TNF drug used for rheumatoid arthritis, psoriatic arthritis and ankylosing spondylitis. Learn risks and side-effects. Ciclosporin Ciclosporin is a disease-modifying anti-rheumatic drug (DMARD) for rheumatoid arthritis, lupus or psoriatic arthritis. Learn risks and side-effects. Cyclophosphamide Cyclophosphamide is used to treat lupus, vasculitis, myositis and occasionally severe rheumatoid arthritis. Learn how long it takes, risks and side-effects.