Adalimumab injection products are used alone or with other medications to relieve the symptoms of certain autoimmune disorders (conditions in which the immune system attacks healthy parts of the body and causes pain, swelling, and damage) including the following: rheumatoid arthritis (a condition in which the body attacks its own joints, causing pain, swelling, and loss of function) in adults, juvenile idiopathic arthritis (JIA; a condition that affects children in which the body attacks its own joints, causing pain, swelling, loss of function, and delays in growth and development) in children 2 years of age and older, Crohn's disease (a condition in which the body attacks the lining of the digestive tract, causing pain, diarrhea, weight loss, and fever) that has not improved when treated with other medications in adults and children 6 years of age and older, ulcerative colitis (a condition which causes swelling and sores in the lining of the colon [large intestine] and rectum) when other medications and treatments did not help or could not be tolerated in adults and children 5 years of age and older, ankylosing spondylitis (a condition in which the body attacks the joints of the spine and other areas causing pain and joint damage) in adults, psoriatic arthritis (a condition that causes joint pain and swelling and scales on the skin) in adults, hidradenitis suppurativa (a skin disease that causes pimple-like bumps in the armpits, groin, and anal area) in adults and children 12 years of age and older, uveitis (swelling and inflammation of different areas of the eye) in adults and children 2 years of age and older, chronic plaque psoriasis (a skin disease in which red, scaly patches form on some areas of the body) in adults. Adalimumab injection products are in a class of medications called tumor necrosis factor (TNF) inhibitors. They work by blocking the action of TNF, a substance in the body that causes inflammation.