Xolair is a different kind of allergic asthma medication because It's the first asthma treatment that works by blocking immunoglobulin E (IgE), an underlying cause of allergic asthma symptoms.

Information about many aspects of this disease, including triggers, therapy and medications.

Includes general information, a personal plan, and message board. Offers sections for Health Professionals and Researchers.

Articles and webcasts about treating symptoms during pregnancy and the medications that can be used.