Famphur

Veterinary pour-ons/dips and agricultural insecticide uses; it can move into soil and water near application sites [1].

Mixing or applying products; handling treated animals or gear; breathing spray or dust; accidental swallowing; bystanders near use areas; occasionally from food or water [1][2].

Symptoms include headache, nausea, sweating, pinpoint pupils, muscle twitching, weakness, and trouble breathing; severe cases can be life‑threatening [1][2]. Repeated low‑level exposure may affect nerves, mood, or memory [2].

Farm and veterinary workers; children; pregnant people; those with asthma or low cholinesterase activity [1][2].

Follow labels exactly; wear gloves, eye protection, and respirators as directed; keep children and pets away until sprays dry; wash hands and launder work clothes separately; avoid drift; rinse produce; store and dispose of products safely; protect wells from mixing and runoff; seek medical care if symptoms start after exposure [1][2].