Definition of "immunotherapy" []

• Treatment of disease by inducing, enhancing, or suppressing an immune response. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The term immunotherapy is used to describe treatments that can be used to re-program the immune system of people (or animals) with allergies; usually this involves repeatedly exposing the immune system to small amounts of the allergen."
• "Generally, patients receive injections for about three to five years, at which point the symptoms usually do not return if immunotherapy is stopped."
• "There are basically three key ways to treat allergies, says Rosenstreich: controlling your environment, taking medications and getting allergy shots, called immunotherapy."