Treating moderate to severe rheumatoid arthritis (RA) in adults. It is also used to treat certain types of moderate to severe juvenile arthritis in children. It may be used alone or with other medicines. It may also be used for other conditions as determined by your doctor. Orencia is a selective co-stimulation modulator. It works by stopping the immune system from attacking healthy tissues in the body.
Orencia is an artificial protein that is injected into people who suffer from rheumatoid arthritis. Orencia prevents your own immune system from attacking joints by weakening the immune system and decreasing swelling.