CIMZIA® is a prescription subcutaneous biologic medication that acts as a tumor necrosis factor blocker. CIMZIA® is used in adults to treat the following diseases: active rheumatoid arthritis (a disease causing inflammation of the joints) axial spondyloarthritis (a disease causing inflammation and pain in the joints of the spine) psoriatic arthritis (a disease causing red, scaly patches on the skin and inflammation of the joints) plaque psoriasis, a disease causing red, scaly patches on the skin.