Permethrin (2)
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چکیده
1. Permethrin is a type I synthetic pyrethroid. It is an ester of the dichloro-analogue of chrysanthemic acid, and 3-phenoxybenzyl alcohol. Permethrin used in veterinary medicines is a mixture of four stereoisomers of the configuration ( [1R,trans], [1R,cis], [1S,trans] and [1S,cis]. The optical ratio of 1R:1S is 1:1 (racemic). Permethrin used in veterinary medicinal products is in the form of sprays (including udder sprays), powders, pour-ons or ear-tags for external application to cattle, pigs, sheep, goats and poultry, for the control of ectoparasites. The dosages used are about 4 mg/kg bw for cattle, about 6 mg/kg bw for sheep and poultry. The isomer ratios in these products are cis:trans 80:20, 40:60 or 25:75.
منابع مشابه
Permethrin for scabies in children.
QUESTION I frequently see children with scabies in my practice. A variety of medications are available to treat scabies. Permethrin is one of the most common medications used. Is permethrin a safe and effective option for children? ANSWER Scabies is a common parasitic skin infection. It is highly prevalent in young children. Topical permethrin (5% cream) is a safe and effective scabicide in c...
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Human scabies is caused by an infestation of the skin by the human itch mite (Sarcoptes scabiei var. hominis). The aim of this study is to compare the efficacy and safety of permethrin 5% lotion with oral ivermectin for the treatment of scabies. In total, 60 patients with scabies were enrolled, and randomized into two groups: The first group and their family contacts received 5% permethrin crea...
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A study was conducted to determine the release rates of piperonyl butoxide (PBO) and permethrin from synergized insecticidal cattle ear tags and their effects on mortality of the horn fly, Hematobia irritans irritans (L.) (Diptera: Muscidae). PBO was released from the ear tags at a higher rate than permethrin in both winter and summer trials. The cumulative release of PBO and permethrin from th...
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We derived laboratory LC50 values, assessed non-target insect risks, and conducted a field bioassay for ultra-low-volume (ULV) aerosol applications of insecticides used to manage adult mosquitoes. The house cricket, Acheta domesticus (L.), was used as an indicator species for medium- to large-bodied ground dwelling insects. The 24-h LC(50) values for Permanone (formulated product of permethrin)...
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Scabies is one of the three most common skin disorders in children, along with tinea and pyoderma. The treatment of choice is still controversial. The aim of this study is to compare the efficacy of permethrin 5% cream vs. crotamiton 10% cream in the treatment of scabies. In total, 350 patients with scabies were enrolled, and randomized into two groups. The first group received permethrin 5% cr...
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