Immunotherapy for inhalant allergies - Guidelines for why, when, and how to use this treatment

Great-grandma was probably on the right track when she said, "A little dirt won't hurt you. It builds immunity." In fact, some evidence suggests that our "hygienic" environment may be increasing our vulnerabilities to some ma ladies, especially allergic disorders. Although the principles of immunothe rapy have been known for nearly a century guidelines for its use are still evolving. In this article, Dr Portnoy discusses the role of immunotherapy i n patients with symptoms triggered by airborne allergens.