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Urticaria due to airborne permethrin exposure
1University of Iowa, Department of Preventive Medicine and Environmental Health, Iowa City 52242, USA.
Veterinary and Human Toxicology
|April 7, 1999
Summary
Synthetic pyrethroids, like permethrin, may cause skin sensitization. Airborne permethrin exposure was linked to urticaria (hives) in children from one household, suggesting a potential risk.
Area of Science:
- Dermatology
- Toxicology
- Environmental Health
Background:
- Naturally derived pyrethrins are known skin sensitizers.
- The sensitizing potential of synthetic pyrethroids remains debated in scientific literature.
Observation:
- An outbreak of urticaria (hives) occurred in children within a single household.
- The cases were associated with airborne exposure to permethrin, a synthetic pyrethroid.
Findings:
- This case series suggests a link between airborne permethrin exposure and the development of urticaria in children.
- The findings indicate that synthetic pyrethroids may possess sensitizing properties, contrary to some existing beliefs.
Implications:
- Further research is warranted to confirm the sensitizing potential of permethrin and other synthetic pyrethroids via airborne routes.
- These findings may inform public health guidelines regarding the use of pyrethroid-based insecticides, especially in environments with children.