Xolair - Information about allergic asthma, how the medication works, and sections for patients, family and friends, and medical professionals. PubMed Central: Omalizumab: A Monoclonal Anti-IgE Antibody - Descriptions of allergic asthma and allergic rhinitis pathophysiology and reviews of the pharmacologic, pharmacokinetic, pharmacodynamic, efficacy, and safety data for omalizumab. JACI: Delayed onset and protracted progression of anaphylaxis after omalizumab administration in patients with asthma - Description and analysis of cases of anaphylaxis following omalizumab administration, published in The Journal of Allergy and Clinical Immunology. Xolair Pregnancy Registry - Information for patients and health care providers about an observational study of pregnant women in the US taking Xolair. The Johns Hopkins Gazette: Why We Sneeze and Sneeze - Article about clinical testing of the experimental anti-allergy agent Anti-IgE, in a version called rhuMAb-E25. Genentech: Xolair - Includes fact sheet, prescribing information, and how it's manufactured. MedlinePlus: Omalizumab Injection - Features information about dosage, usage, warnings, and side effects.