Author: Poison Sense

Afoxolaner, an isoxazoline parasiticide, kills fleas and ticks by blocking GABA-gated chloride channels in their central nervous system. This binding blocks the influx of chloride ions, which normally inhibit nerve …

Sumethrin (d-phenothrin) is a type I pyrethroid insecticide. Pyrethroids are synthetic esters derived from naturally occurring pyrethrins extracted from chrysanthemum flowers. Like most synthetic pyrethroid, phenothrin exists as a mixture …