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Head lice infestation, also known as pediculosis capitis, is the infection of the head hair and scalp by the head louse (Pediculus humanus capitis). [6] Itching from lice bites is common. [ 5 ] During a person's first infection, the itch may not develop for up to six weeks. [ 5 ]
Lice have no wings or powerful legs for jumping, so they use the claws on their legs to move from hair to hair. [27] Normally, head lice infest a new host only by close contact between individuals, making social contacts among children and parent-child interactions more likely routes of infestation than shared combs, hats, brushes, towels ...
Accordingly, the infestation with head lice is named pediculosis capitis, while this with body lice, pediculosis corporis. [ 1 ] [ 2 ] Although pediculosis in humans may properly refer to lice infestation of any part of the body, the term is sometimes used loosely to refer to pediculosis capitis , the infestation of the human head with the ...
Female lice also attach sticky unhatched eggs called nits to hair. These eggs take eight to nine days to hatch and can trigger another infestation if not removed, leaving children to have head ...
Lice cause itchy bites and lay eggs at the hair follicle. What they look like: Lice bites are often easier to identify than other critters on this list because you'll likely see the live lice in ...
Lice can cause aggressive scratching, which can lead to sores and scabs. Treatment options: There are prescription and OTC medications, such as 5% Benzyl alcohol lotion .
Pediculosis pubis (also known as "crabs" and "pubic lice") is an infestation by the pubic louse, Pthirus pubis, a wingless insect which feeds on blood and lays its eggs (nits) on mainly pubic hair. Less commonly, hair near the anus, armpit, beard, eyebrows, moustache, and eyelashes may be involved.
Lice are divided into two groups: sucking lice, which obtain their nourishment from feeding on the sebaceous secretions and body fluids of their host; and chewing lice, which are scavengers, feeding on skin, fragments of feathers or hair, and debris found on the host's body. Many lice are specific to a single species of host and have co-evolved ...