Severe side effects
According to studies, the severe side effects of Cimzia can occur, but they are rare. You should contact your healthcare provider immediately if you notice any severe side effects. If it is a health emergency, you can call your local emergency number or 911.
The severe side effects of Cimzia can include:
- Reactivation of hepatitis B, if it’s already in your body
- Allergic reaction
- New or worsening heart failure
- New or worsening nerve problems*
- Blood disorders
- Hair loss [5]
- Cancer and Severe infections