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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.
Crab lice found on the head or eyelashes of children may be an indication of sexual exposure or abuse. [17] Symptoms of crab louse infestation in the pubic area include itching, redness and inflammation. Crab lice are not known to transmit disease; [citation needed] however, secondary bacterial infection can occur from scratching of the skin.
Pubic lice fall within the Pthirus pubis family of louse, different from head lice. Learn how you can get crabs and what to do once you see them. Pubic Lice (Crabs) Transmission and Medicated Removal
Pthirus is a genus of lice. There are only two extant species, and they are the sole known members of the family Pthiridae. [4] Pthirus gorillae infests gorillas, [5] and Pthirus pubis afflicts humans, and is commonly known as the crab louse or pubic louse. [6] The two species diverged some 3.3 million years ago. [7]
Pubic lice are found in pubic hair and sometimes in children’s eyelashes. Pubic lice are smaller than head and body lice, measuring up to 0.09 inches long. Unlike the other two, they have round ...
While head lice and body lice are closely related subspecies, pubic lice are a separate species, he explains. ... Other symptoms: In addition to the lice and their bites, you might notice lice ...
Crab louse, colloquially known as "crabs" or "pubic lice" (Pthirus pubis). ... Symptoms in men include pain when urinating, and abnormal discharge from their penis. [61]
Pubic hair can become infested with pubic lice (also known as crab lice). [10] Adult pubic lice are 1.1–1.8 millimetres (0.043–0.071 in) in length. The pubic hair can usually host up to a dozen on average. Pubic lice are usually found attached to hair in the pubic area but sometimes are found on coarse hair elsewhere on the body (for ...
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