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Prospective study of definite caterpillar exposures
Corrine R Balit1, Merilyn J Geary, Richard C Russell
1NSW Poisons Information Centre, The Children's Hospital, Westmead, Corner Hawkesbury Rd & Hainsworth Street, Locked Bag 4001, Westmead, Sydney, NSW 2145, Australia. corrinebalit@aol.com
Summary
Caterpillar exposure in Australia can cause various reactions, from severe pain to skin rashes, depending on the species. Prompt removal and symptomatic treatment are key interventions for managing these exposures.
Area of Science:
- Toxicology
- Dermatology
- Entomology
Background:
- Caterpillar exposure presents diverse clinical effects.
- Species-specific reactions necessitate detailed investigation.
Purpose of the Study:
- To document clinical effects of caterpillar exposures in Australia.
- To identify caterpillar species and their associated reactions.
Main Methods:
- Prospective case recruitment via a poison information centre.
- Inclusion of definite exposure cases with collected caterpillars or cocoons.
- Identification of caterpillars to genus and species level.
Main Results:
- 36 cases analyzed: 33 from exposure, 1 ingestion, 2 contact.
- Five families identified: Arctiidae, Limacodidae, Anthelidae, Lymantriidae, Sphingidae.
- Reactions varied from severe pain to urticarial responses; no adverse effects from ingestion.
Conclusions:
- This is the first prospective study on Australian caterpillar exposures.
- Clinical effects are species-dependent, highlighting the need for accurate identification.
- Management primarily involves caterpillar/cocoon removal and symptomatic relief.