Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your or your child's progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.

This medicine may cause serious allergic reactions, including anaphylaxis, generalized urticaria, angioedema, or serum sickness, which can be life-threatening and require immediate medical attention. Tell your doctor right away if you have a feeling of discomfort, fever, pain or swelling of the joints, hives, itching, large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs, lightheadedness, dizziness, fainting, muscle aches, rash, swollen lymph glands, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth after using this medicine.

Check with your doctor right away if you have redness, irritation, or itching the of eye, eyelid, or inner lining of the eyelid. These could be symptoms of eye problems, including conjunctivitis or keratitis.

A rare but serious condition called eosinophilia (increased white blood cells in the body) may occur while you are using this medicine. Pneumonia or a condition called vasculitis (inflammation of the blood vessels) may also be present. Eosinophilia can be serious and requires immediate medical attention. Tell your doctor right away if you or your child have worsening lung symptoms, rash or bruising of the skin, fever, chest pain, or burning, tingling, or numbness in the hands and feet after using this medicine.

If you are using a steroid medicine for your asthma, do not suddenly stop taking it without first checking with your doctor. You may need to slowly decrease your dose before stopping it completely.

Check with your doctor right away if you have difficulty in moving, joint pain, or muscle pain or stiffness.

Do not have any live vaccines (immunizations) while you are being treated with dupilumab. Check with your doctor before having any vaccines.