Allergy shots are also called immunotherapy since the goal is to change the way your immune system responds to allergic triggers. The things that you are allergic to are injected into your arm in gradually increasing amounts in order to build up a tolerance to them.
While allergy shots have been the gold standard for the long term management of allergy symptoms for over 100 years, Allergists are always looking for ways to provide the same benefit without the discomfort of needles.
Xolair is a relatively new medicine for the treatment of moderate to severe asthma. Xolair has an interesting method of action in that it is an antibody that is injected into the body and blocks the patient’s allergic antibody (Immunoglobulin E, or IgE).