Etanercept is used in the treatment of ulcerative colitis, Crohn's disease, psoriasis, ankylosing spondylitis, and rheumatoid arthritis.
Etanercept works by blocking the action of specific chemical messengers that are responsible for inflammation, swelling, and redness associated with certain joint diseases.
Common side effects of Etanercept include upper respiratory tract infection, headache, injection site reactions (such as pain, swelling, and redness), and fever.