<p><strong>Permethrin</strong>&nbsp;is a pyrethroid pediculocide and scabicide. It causes paralysis and death of the pest by inhibiting sodium ion influx through nerve cell membrane channels delaying repolarisation.<br />
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<strong>Crotamiton</strong>&nbsp;has scabicidal and antipruritic action against Sarcoptes scabei. It is an effective pediculocide as well.</p>