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Sometimes the itching can lead to excessive scratching that can sometimes increase the chance of a secondary skin infection. School head lice policies often are determined by local school boards. Local health departments may have guidelines that address school head lice policies; check with your local and state health departments to see if they have such recommendations. The researchers say that while the mutation doesn't guarantee that an OTC lice product with permethrin or pyrethrins will fail, it does reduce the chances treatment will succeed.
Do lice like dirty hair?
Head lice hold tightly to hair with hook-like claws at the end of each of their six legs. Head lice nits are cemented firmly to the hair shaft and can be difficult to remove even after the nymphs hatch and empty casings remain. Having head lice isn't a sign of poor personal hygiene or an unclean living environment. Anyone can get lice if they come into close contact with someone who has them. However, some research suggests that certain groups may be more prone to head lice than others. It does not matter how often you wash your hair or how long you shower; it will not get rid of head lice.
Myths and Facts About Head Lice
Head lice may also spread when items of clothing are stored together. For example, hats or scarves hung on the same hook or stored in the same school locker could serve as vehicles for spreading lice. People also use a number of home or natural remedies to get rid of head lice. But there is little to no clinical evidence that they're effective. Storing clothing items in proximity also can lead to indirect transmission.
How to treat lice: What to do when your kid comes home with this common nuisance - Care.com
How to treat lice: What to do when your kid comes home with this common nuisance.
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Over-the-counter treatments
What they don't know, however, is that the strongest lice survive these lice treatments and continue to lay more eggs. If you have live lice or eggs in your hair, you’ll need to use a special lice treatment. To treat a head lice infestation, people can use medicines called pediculicides, which kill head lice.
Head Lice Treatment
And once they crawl onto a child's head, they tend to hang on tightly, thanks to the hooklike claws they have at the end of their legs. "They don't care at all," says Dawn H. Gouge, Ph.D., a public health entomologist at the University of Arizona. "The areas you can easily access with a hair straightener are actually areas where lice are less likely to be." "Some botanical products like tea tree and eucalyptus oils have been shown to have insecticidal properties — although they're not a magic solution," Dr Webb says.
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You’ll need to repeat this at least every 2 to 3 days until all lice and eggs disappear — but keep in mind that experts say this may not work as a standalone treatment. Whichever treatment option you choose, consider checking your hair every 3 to 14 days after applying a treatment to make sure the treatment is effective. Head lice can only survive for up to 2 days away from the human head, so they will not last long in any surrounding areas. Adult head lice are about 2–3 millimeters (mm) in length, which is roughly the size of a sesame seed. Never use any flammable treatments, such as kerosene, as these treatments can potentially be deadly. They haven’t been tested on children and may be unsafe to use.
Do Lice Like Clean or Dirty Hair? The Truth Revealed
Following through with treatment, repeating combing, and re-shampooing (per directions) are critical. Adult lice lay nits (eggs) on hair shafts (where the hair projects from the scalp) and stick to the scalp. On first appearance, lice and dandruff flakes can be mistaken for one another because of their common size and yellowish-white color. A person should consider seeing a doctor if head lice do not go away after a second treatment with medication.
Sharing school locker or hook space, or hanging multiple hats or scarves in the same place, could result in indirect transmission. However, the study in Jordan suggests that people with longer hair may get lice more frequently. Head lice can transmit easily between people in close proximity to each other through direct hair-to-hair contact. However, the CDC notes that they occur less frequently in African Americans compared to other races. The CDC suspects that this is because head lice have claws that are better adapted to attach to the width and shape of the hair shafts of other groups. When treating for head lice it can be challenging to get out all signs of lice.
So the risk of spreading head lice is greatest among children who play or go to school together. In the United States, cases of head lice most often occur in children in preschool through elementary school. Head lice are tiny insects that feed on blood from the human scalp. The insects usually spread through direct transfer from the hair of one person to the hair of another.
Doing a second treatment roughly a week after the first treatment can kill newly hatched lice. Experts say this may happen because girls are more likely to play with their heads close together. Hair length doesn’t have any impact on your risk of getting head lice. Hair casts slide easily along the hair, whereas nits stick to it and are harder to remove.
Lice can easily crawl from one strand of hair to another, and they lay their eggs (nits) close to the scalp where the temperature is just right for their development. So, whether your hair is squeaky clean or slightly oily, it won’t deter lice from infesting. And according to Gouge, the idea that school is the primary place for lice infestation has led many schools to implement "no nit" policies.
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