Cyclosporine (modified) is an immunosuppressant medication normally used to prevent transplant rejection in patients who have received kidney, liver, or heart transplants. It is also for the control and alleviation of symptoms of psoriasis (a skin disease in which red, scaly patches form on some areas of the body), however does not cure this condition. If cyclosporine (modified) is being taken to treat psoriasis, it may take more than 2 weeks for symptoms to improve. Other conditions where cyclosporine is used include rheumatoid arthritis (arthritis caused by swelling of the lining of the joints), Crohn’s disease, and graft-vs-host disease. Trade names of cyclosporine are Neoral, Sandimmune, and Gengraf.