What side effects may I notice from receiving Xolair Prefilled?

Side effects that you should report to your care team as soon as possible:
-Allergic reactions or angioedema—skin rash, itching or hives, swelling of the face, eyes, lips, tongue, arms, or legs, trouble swallowing or breathing
-Rash, fever, and swollen lymph nodes
-Unusual weakness or fatigue, fever, headache, skin rash, muscle or joint pain, loss of appetite, pain, tingling, or numbness in the hands or feet
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Headache
-Joint pain
-Nausea
-Pain, redness, or irritation at injection site
-Runny or stuffy nose
-Sore throat

This list may not describe all possible side effects for Xolair Prefilled. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.