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The treatment of human lice is the removal of head lice parasites from human hair. It has been debated and studied for centuries. It has been debated and studied for centuries. However, the number of cases of human louse infestations (or pediculosis ) has increased worldwide since the mid-1960s, reaching hundreds of millions annually. [ 1 ]
Head lice, like other insects of the order Phthiraptera, are hemimetabolous. [1] [10] Newly hatched nymphs will moult three times before reaching the sexually mature adult stage. [1] Thus, mobile head lice populations may contain eggs, nits, three nymphal instars, and the adults (male and female) . [1]
Rickettsia prowazekii is a species of gram-negative, alphaproteobacteria, obligate intracellular parasitic, aerobic bacillus bacteria that is the etiologic agent of epidemic typhus, transmitted in the feces of lice. In North America, the main reservoir for R. prowazekii is the flying squirrel.
Body lice are disease vectors and can transmit pathogens that cause human diseases such as epidemic typhus, trench fever, and relapsing fever. [6] In developed countries, infestations are only a problem in areas of poverty where there is poor body hygiene, crowded living conditions, and a lack of access to clean clothing. [ 7 ]
Louse (pl.: lice) is the common name for any member of the clade Phthiraptera, which contains nearly 5,000 species of wingless parasitic insects.Phthiraptera has variously been recognized as an order, infraorder, or a parvorder, as a result of developments in phylogenetic research.
First line treatment usually contains permethrin and is available over the counter. [3] Two rounds of treatment at least a week apart are usually required to kill newly hatched nymphs. [5] Washing bedding and clothing in hot water kills the lice, and transmission can be prevented by avoiding sexual contact until no signs of infestation exist.
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