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Omalizumab is used to treat moderate to severe asthma that is caused by allergies in adults and children who are at least 6 years old. Omalizumab is used when asthma symptoms are not controlled by asthma inhaled steroid medicine. Omalizumab is used to treat nasal polyps in adults when nasal steroid medicine did not work. Omalizumab is also used to treat chronic hives (idiopathic urticaria) in adults and children at lest 12 years old, when antihistamines have not worked. Omalizumab may also be used for purposes not listed in this medication guide.
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Frequently Asked Questions

Some people using omalizumab have had a severe, life-threatening allergic reaction either right after the injection or hours later. An allergic reaction may occur even after using omalizumab regularly for a year or longer.

Get emergency medical help if you have signs of an allergic reaction: hives, itching; anxiety or fear; flushing (warmth, redness, or tingly feeling); feeling like you might pass out; chest tightness, wheezing, cough, feeling short of breath, difficult breathing; fast or weak heartbeats; swelling of your face, lips, tongue, or throat.

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Brand Name Examples Supplied As Strength
Xolair Vial 150 Mg
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