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Pyrethrin is most commonly used as an insecticide and has been used for this purpose since the 1900s. [18] In the 1800s, it was known as "Persian powder", "Persian pellitory", and "zacherlin". Pyrethrins delay the closure of voltage-gated sodium channels in the nerve cells
Allethrin I (R = −CH 3) Allethrin II (R = −COOCH 3). The allethrins are a group of related synthetic compounds used in insecticides.They are classified as pyrethroids, i.e. synthetic versions of pyrethrin, a chemical with insecticidal properties found naturally in Chrysanthemum flowers.
Permethrin is a medication and an insecticide. [6] [7] As a medication, it is used to treat scabies and lice. [8]It is applied to the skin as a cream or lotion. [6] As an insecticide, it can be sprayed onto outer clothing or mosquito nets to kill the insects that touch them.
A pyrethroid is an organic compound similar to the natural pyrethrins, which are produced by the flowers of pyrethrums (Chrysanthemum cinerariaefolium and C. coccineum). Pyrethroids are used as commercial and household insecticides. [1] In household concentrations pyrethroids are generally harmless to humans. [1]
Although products such as Raid are relatively safe to humans (when used as intended), the act of huffing, smoking, snorting, vaping, plugging, drinking and/or injecting Raid or other bug sprays can cause irreversible neurological damage, or even death.
Treatment: Permethrin is the drug of choice for the treatment of scabies, per the CDC. Topical permethrin should be applied every two to three days for up to two weeks. Top image credit: Cixia.
Cyfluthrin is a pyrethroid insecticide and common household pesticide. It is a complex organic compound and the commercial product is sold as a mixture of isomers.Like most pyrethroids (MoA 3a), [1] it is highly toxic to fish and invertebrates, but it is far less toxic to humans. [2]
Phenothrin, also called sumithrin and d-phenothrin, [2] is a synthetic pyrethroid that kills adult fleas and ticks.It has also been used to kill head lice in humans. d-Phenothrin is used as a component of aerosol insecticides for domestic use.