XOLAIR is an injectable prescription medicine, given under the skin by a nurse or doctor, that's approved to treat two types of conditions. Which condition are you interested in? 

Moderate to severe persistent allergic asthma in patients 6 years of age or older not controlled by inhaled corticosteroids. XOLAIR is not used to treat other allergic conditions, acute bronchospasm or status asthmaticus.

Chronic idiopathic urticaria (CIU; chronic hives without a known cause) in patients 12 years of age and older not controlled by H1 antihistamine treatment. XOLAIR is not used to treat other forms of urticaria.