allergy shot

noun

Definition of allergy shot

: 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

First Known Use of allergy shot

1949

in the meaning defined above

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Medical Dictionary

allergy shot

noun

medical Definition of allergy shot

: 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
  • If you're still miserable, there are always immunotherapeutic allergy shots for building up allergen antibodies. They're particularly effective for allergies to stinging insects, dust, pollen and pets.
  • —Nancy ShuteAmerican HealthJuly 1987
  • The most common side effects of allergy shots are redness and swelling at the site of injection.
  • —Richard F. LockeyThe Tampa (Florida) Tribune29 Mar. 2008

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