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Caterpillar envenomations: a prospective study of 112 cases
G W Everson1, J B Chapin, S A Normann
1Louisiana Regional Poison Center, Shreveport.
Veterinary and Human Toxicology
|April 1, 1990
Summary
Caterpillar envenomations typically cause local pain, redness, and swelling. While some patients experience atypical symptoms, a history of allergies did not correlate with more severe reactions to caterpillar stings.
Area of Science:
- Toxicology
- Dermatology
- Epidemiology
Background:
- Caterpillar envenomations are common, but epidemiological factors and clinical presentations require further investigation.
- Understanding the specific caterpillar species involved and their associated symptoms is crucial for effective management.
Purpose of the Study:
- To identify epidemiological factors linked to caterpillar envenomations.
- To document the clinical effects and species implicated in envenomations.
Main Methods:
- A 1-year prospective study involving 112 cases of caterpillar envenomation.
- Identification of caterpillar species and documentation of clinical manifestations and patient history.
Main Results:
- Six caterpillar species were identified, with four specifically implicated in envenomations.
- Common symptoms included local pain (96%), erythema (89%), and swelling (72%).
- Atypical responses (e.g., muscle spasms, paresthesia) occurred in 26% of patients; allergy history did not correlate with severity.
Conclusions:
- Mild to moderate local reactions are typical, with persistent symptoms beyond 24 hours in 61% of cases.
- Caterpillar envenomation management should focus on symptomatic relief, as severe allergic reactions are uncommon.
- Further research into specific caterpillar toxins and their effects is warranted.