Solution
Swelling of the lips.
Omalizumab (Xolair) Xolair is an anti-inflammatory that is used to treat moderate to severe asthma that is caused by allergies. An anaphylactic reaction may happen such as flushing, rash, wheezing or swelling of the face, lips or tongue.
Options A, B, and D are some of the side effects but will not alert the nurse for an anaphylactic reaction.