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Related Experiment Videos

Local reactions to stinging insects (Hymenoptera).

D N Wright1, R F Lockey

  • 1Department of Internal Medicine, University of South Florida College of Medicine, Tampa.

Allergy Proceedings : the Official Journal of Regional and State Allergy Societies
|January 1, 1990
PubMed
Summary
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Hymenoptera stings typically cause minor local reactions. However, some individuals develop large local reactions due to allergic responses to venom, which can be identified by skin testing and managed with symptomatic therapy.

Area of Science:

  • Allergy and Immunology
  • Toxicology
  • Dermatology

Background:

  • Hymenoptera stings commonly cause local reactions, usually nonallergic and short-lived.
  • A subset of individuals experience large local reactions (LLRs), exceeding 10 cm and lasting up to 5 days, indicative of an allergic response.

Purpose of the Study:

  • To differentiate between nonallergic and allergic (large local) reactions to Hymenoptera stings.
  • To explore the mechanisms and diagnostic approaches for Hymenoptera sting reactions.
  • To outline therapeutic strategies for managing local sting reactions.

Main Methods:

  • Distinguishing reactions based on size, duration, and presumed mechanism (toxic vs. allergic).
  • Investigating potential allergic mechanisms, including IgE-mediated and cell-mediated pathways.

Related Experiment Videos

  • Evaluating the utility of skin testing with various Hymenoptera venoms for diagnosis.
  • Assessing symptomatic treatments and venom immunotherapy.

    • Main Results:

    • Nonallergic reactions are toxic responses to venom components.
    • Large local reactions are likely allergic, possibly IgE-mediated or cell-mediated.
    • Skin testing effectively identifies individuals with LLRs.
    • Symptomatic treatment is standard; venom immunotherapy shows efficacy in children for preventing LLR recurrence.

    Conclusions:

    • Large local reactions to Hymenoptera stings are allergic in nature.
    • Skin testing is recommended for diagnosing LLRs, while routine diagnostic workup is not.
    • Management involves symptomatic relief, with venom immunotherapy being a consideration for recurrent LLRs in children.