Pyrethrin and Pyrethroid Toxicity in Cats
 
Pyrethrin and pyrethroid are insecticides typically used for treating flea and tick infestations in pets. Pyrethrins are naturally-based and derived from the Chrysanthemum cinerariaefolium plant and from pyrethrum-related plant species. Pyrethroids, meanwhile, are synthetic, making them longer-lasting; these include allethrin, cypermethrin, deltamethrin, fenvalerate, fluvalinate, permethrin, phenothrin, tetramethrin, and etofenprox.
 
An adverse reaction to any of these toxins will affect the cat's nervous system, reversibly prolonging ...read more