Definition: Immunotherapy is a series of allergy shots given to gradually get your body "used to" an allergen or asthma trigger, so that you can build up a tolerance to it.
In a more general sense, immunotherapy is any medication or treatment that alters the immune system, such as vaccines.
Immunotherapy
by Kathleen MacNaughton, R.N.
for About.comUpdated: July 31, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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