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  2. Treatment of human lice - Wikipedia

    en.wikipedia.org/wiki/Treatment_of_human_lice

    Louse eggs hatch 6–9 days after oviposition. Therefore, a common recommendation is to repeat treatment with a pediculicide at least once after 10 days, when all lice have hatched. [3] Between the two treatments (Days 2–9) the person will still be infested with lice that hatch from eggs not killed by the anti-louse product.

  3. Head louse - Wikipedia

    en.wikipedia.org/wiki/Head_louse

    They are bright, transparent, and tan to coffee-colored so long as they contain an embryo, but appear white after hatching. [12] [13] Head lice hatch typically six to nine days after oviposition. [11] [14] After hatching, the louse nymph leaves behind its egg shell, still attached to the hair shaft. The empty egg shell remains in place until ...

  4. Head lice infestation - Wikipedia

    en.wikipedia.org/wiki/Head_lice_infestation

    Other lice that infest humans are the body louse and the crab louse (aka pubic lice). The claws of these three species are adapted to attach to specific hair diameters. [18] Pubic lice are most often spread by sexual contact with an infested person. [19] Body lice can be found on clothing and they are not known to burrow into the skin. [20]

  5. A Guide to Head Lice Symptoms and Treatments - AOL

    www.aol.com/guide-head-lice-symptoms-treatments...

    The itchiness, irritation, and the incessant scratching caused by the small bugs on your scalp and hair make head lice a nuisance at best and at worst, well—they’re the worst.

  6. 5 important things to know about lice — and why it’s OK to ...

    www.aol.com/lifestyle/5-important-things-know...

    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.

  7. Phenothrin - Wikipedia

    en.wikipedia.org/wiki/Phenothrin

    Phenothrin is primarily used to kill fleas and ticks. [3] It is also used to kill head lice in humans, but studies conducted in Paris and the United Kingdom have shown widespread resistance to phenothrin. [3] It is extremely toxic to bees. A U.S. Environmental Protection Agency (EPA) study found that 0.07 micrograms were enough to kill honey ...

  8. Epidemic typhus - Wikipedia

    en.wikipedia.org/wiki/Epidemic_typhus

    Clothes left unworn and unwashed for 7 days also result in the death of both lice and their eggs, as they have no access to a human host. [16] Another form of lice prevention requires dusting infested clothing with a powder consisting of 10% DDT , 1% malathion , or 1% permethrin , which kill lice and their eggs.

  9. 5 important things to know about lice — and why it’s OK to ...

    www.aol.com/5-important-things-know-lice...

    Experts say there's no reason for a child to miss school over head lice. Here's what parents need to know. 5 important things to know about lice — and why it’s OK to send your kids to school ...

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