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You might not even see the bites first—the initial giveaway might be tiny lice eggs (a.k.a. nits) first. ... invisible to the naked eye. Their bites take the form of flat, red patches or raised ...
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 generally cannot survive for long if removed from their host. [5] If their host dies, lice can opportunistically use phoresis to hitch a ride on a fly and attempt to find a new host. [6] Sucking lice range in length from 0.5 to 5 mm (1 ⁄ 64 to 13 ⁄ 64 in). They have narrow heads and oval, flattened bodies.
Body lice can also transmit pathogens, Frye says, which is particularly a problem for people who have poor hygiene, such as homeless populations. Fly bites Single large horsefly bite on left leg ...
Head lice are about 2 to 3 millimeters long, and they usually infest the head or neck and attach their eggs to the base of the hair shaft, according to the CDC.
Eye injuries, most often occurring in people under 30, are the leading cause of monocular blindness (vision loss in one eye) throughout the United States. Injuries and cataracts affect the eye itself, while abnormalities such as optic nerve hypoplasia affect the nerve bundle that sends signals from the eye to the back of the brain, which can ...
Head lice are spread by direct contact with the hair of someone who is infected. [4] The cause of head lice infestations in children is not related to cleanliness. [5] Other animals, such as cats and dogs, do not play a role in transmission. [4] Head lice feed only on human blood and are only able to survive on human head hair.
When your child is the temporary home for these blood-sucking freeloaders, the social issue can sometimes be more overwhelming than the physical issue.