Quantcast This image displays sores and bloody crusts from scratching due to pediculosis capitis (head lice). Numerous tiny, white lice eggs (nits) glued to the hair shaft are seen in this person with head lice. The itching and rash from head lice may extend well down the back of the neck. Note a single white egg (nit) glued to the hair on the left. Tiny white head lice eggs (nits) can been seen, glued to the base of this child’s eyelashes. This is a microscopic picture of the head louse.
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Head Lice (Pediculosis Capitis):
Teen information

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Picture of Head Lice (Pediculosis Capitis): This image displays sores and bloody crusts from scratching due to pediculosis capitis (head lice). Divider line
This image displays sores and bloody crusts from scratching due to pediculosis capitis (head lice).
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Signs and Symptoms
The most common locations for head lice infestations include:
  • Scalp, especially the hairline near the neck
  • Behind the ears
  • Neck
Moving lice or non-moving nits may be seen on the scalp and hair. Each louse is approximately 1–2 mm long and is white-gray in color. The white nits are smaller (0.5 mm), are firmly attached to the hair shaft, and are usually located very close to the scalp. In longer-standing infestations, the nits may be farther away from the scalp. In addition, small, red bumps may be seen on the scalp, neck, and shoulders. If scratched aggressively, these bumps may become scabbed.
Last Modified: 4 Mar 2008

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