Where It Comes From
A manufactured pesticide used on crops and for vector control; some uses have been restricted or canceled in several countries, including the U.S. [1].
How You Are Exposed
Mixing or applying products; spray drift; touching treated plants, animals, or equipment; residues in food or water [1][3].
Why It Matters
Can cause headache, nausea, sweating, pinpoint pupils, muscle twitching, and breathing trouble; severe poisoning can be life‑threatening. Very toxic to birds and aquatic life [2][1].
Who Is at Risk
Pesticide applicators and farmworkers; nearby residents; children; pregnant people; and pets in treated areas [1][3].
How to Lower Your Exposure
Follow product labels and wear protective gear; avoid treated areas until re‑entry times; wash hands and produce; keep kids and pets away from treated animals and lawns; seek medical care if symptoms appear [1][3].
References
- [1]U.S. Environmental Protection Agency (EPA). Fenthion – Reregistration/Cancellation and risk information (Office of Pesticide Programs).
- [2]WHO/ILO. International Chemical Safety Card (ICSC) 0948: Fenthion.
- [3]CDC/NIOSH. Pocket Guide to Chemical Hazards: Fenthion.