Zefcort 12 tablets are used to treat autoimmune diseases and inflammatory diseases. Arthritis and ankylosing spondylitis are two inflammatory diseases that can be relieved by using Deflazacort (12 mg) and Zefcort 12 tablets. It also aids in the treatment of various inflammatory diseases, including allergies, ulcerative colitis, uveitis, asthma, and inflammatory bowel disease. It functions by preventing the release of specific molecules that lead to discomfort and edema.