The average Xolair cash price is about $36,716.07 for a supply of: Solution Prefilled Syringe 75 MG/0.5ML 30 pcs. Get our free Xolair coupon and be eligible to receive a discount. You can reduce your Xolair cost by up to 75% with our free Xolair discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Treating moderate to severe persistent asthma in certain patients who have had a positive allergy skin test and whose symptoms are not controlled by inhaled corticosteroids. Xolair is an anti-immunoglobulin E (IgE) monoclonal antibody. It works by blocking your immune system's natural response to allergens, which can lead to an acute asthma attack. This action on the immune system (specifically, IgE) helps keep your air passages open and, over time, keeps asthma under better control.
Xolair is used to treat asthma caused by allergies, as well as a cases of hives in both adults and children. Xolair works by hindering the immune system's reaction to allergies.