DUPIXENT can cause serious side effects, including:
- Allergic reactions. DUPIXENT can cause allergic reactions that can sometimes be severe. Stop using DUPIXENT and tell your healthcare provider or get emergency help right away if you get any of the following symptoms:
- breathing problems or wheezing
- fast pulse
- general ill feeling
- swollen lymph nodes
- swelling of the face, lips, mouth, tongue, or throat
- nausea or vomiting
- fainting, dizziness, feeling
- joint pain
- skin rash
- cramps in your stomach-area
- Eye problems. Tell your healthcare provider if you have any new or worsening eye problems, including eye pain or changes in vision, such as blurred vision. Your healthcare provider may send you to an ophthalmologist for an eye exam if needed.
- Joint aches and pain. Joint aches and pain can happen in people who use DUPIXENT. Some people have had trouble walking or moving due to their joint symptoms, and in some cases needed to be hospitalized. Tell your healthcare provider about any new or worsening joint symptoms. Your healthcare provider may stop DUPIXENT if you develop joint symptoms.
The most common side effects of DUPIXENT include:
- injection site reactions
- eye and eyelid Inflammation, including redness, swelling, and itching, sometimes with blurred vision
- cold sores in your mouth or on your lips
- high count of a certain white blood cell (eosinophilia)
Tell your healthcare provider if you have any side effect that bothers you or that does not go away. These are not all of the possible side effects of DUPIXENT. Call your doctor for medical advice about side effects. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.