Head lice are a very common problem, affecting millions of
people each year — especially preschool and elementary school-
aged children and their close contacts. Head lice are tiny,
wingless, parasitic insects that live and feed on blood from
your scalp. Getting head lice isn't a sign of bad personal
hygiene or an unclean living environment. This itchy
infestation, also called pediculosis capitis, most commonly
spreads through close personal contact and by sharing personal
belongings. Both over-the-counter and prescription medications
are available to treat head lice. Following the directions
properly and taking necessary steps at home are important to
prevent head lice from recurring. Head lice occur on the scalp
and are easiest to see at the nape of the neck and over the
ears. Small oval nits (eggs) resembling tiny pussy willow buds
are visible on the hair shafts. ... Common signs and symptoms of
head lice may include: When to see a doctor Head lice can't fly
or jump, and they're not transmitted by pets. The