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Crab Louse Research Paper

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Lice Overview: The lice are insects that can infect humans and animals. The louse that attacks the man comes from the species Pediculs Humanus and crab louse. The crab louse, commonly called crab, lives and reproduces in the pubic hair, eyelashes and eyebrows Causes: Pediculus Humanus, also called louse, primarily infests the scalp, has a reproductive cycle that starts with the nit (egg) to form the louse. The nits are laid in large part behind the ears and on the nape, adhere to the hair thanks to an adhesive that secrete, hatch after a week. The louse feeds on blood aspiring pricking the scalp, causing severe itching. The louse if removed from the head, having no more nourishment, dies after a few hours. Symptoms: Usually after a few days after infection the person begins to have itchy and head scratching, initially to areas of the head where the eggs are laid (behind and near the ears), following the neck and upper trunk. The itching is caused by an allergic reaction to the saliva of the insect and, therefore, between the infestation and the onset spends a few days in which the subject haunted not you realize you have lice, during which it is easy to transmit …show more content…

Generally it is based insecticides with different modes of action kill lice and nits. Some treatments are not completely effective on nits. To completely eliminate the eggs, then you must repeat the treatment after a week or ten days, as indicated on the product. These pesticides may be in the form of shampoos, gels, lotions or foams: must be applied evenly on the entire hair, leaving them on the head for a time more or less long depending on the indications provided on the product. They can also purchase natural products made from vegetable oils, although not having efficacy as documented. You can ask your doctor or pharmacist for suggestions about what the most suitable product, even in the age of the child or risk of

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