Cimzia (certolizumab) is a prescription drug used to treat plaque psoriasis, Crohn’s disease, and some types of arthritis, including rheumatoid arthritis. It’s given as an injection under the skin.

Cimzia can interact with other medications like biologics, immunosuppressants, and corticosteroids. Interactions with these kinds of medications can increase the risk of side effects, such as serious ...

The Food and Drug Administration (FDA) has approved Cimzia to treat certain inflammatory conditions in adults, including rheumatoid arthritis. It’s also FDA approved for polyarticular juvenile ...