crab louse

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crab louse (kr

A sucking louse that generally infests the pubic region and causes severe itching.

crab louse

Etymology: AS, crabba + lus

a species of louse, Phthirus pubis, that infests the hairs of the genital area. It is often transmitted between persons by sexual contact but can also be spread by shared bedding. Pubic lice are usually easily killed with 1% permethrin or pyrethin shampoo. Also called crabs. Formerly called Pediculus pubis. See also lice, pediculosis.

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