: an injection containing very small amounts of an allergen (such as mold or grass pollen) to which an individual is sensitive that is given at regular intervals usually over a period of several years to desensitize the immune system and reduce allergic symptoms
The goal of allergy shots is to render a person tolerant to an allergen when it is encountered. Jane E. Brody
The most common side effects of allergy shots are redness and swelling at the site of injection. Richard F. Lockey
Example Sentences
Recent Examples on the WebFor those with allergies, that has meant struggling to remedy symptoms that used to be resolved by an allergy shot or some other treatment, Nguyen said. Erin Alberty, The Salt Lake Tribune, 10 July 2021 Mylan NV misled investors for at least a year about a Justice Department investigation into the allergy shot EpiPen that would eventually cost the company nearly $500 million, the US Securities and Exchange Commission said Friday.BostonGlobe.com, 28 Sep. 2019