There are a number of treatments effective for<unk> <unk> . These methods include combs, shaving, medical creams, and hot air. Medical creams usually require two treatments a week apart.<unk> <unk>  are not justification to keep children home from school as the risk of spread is low. Mechanical measures Shaving the<unk>  can effectively treat<unk> . Wet combing a few times a day for a few weeks may also get rid of the<unk>  in half of people. This requires the use of a special<unk>  comb with extra fine teeth. This is the recommended method for infants and women who are pregnant. Another treatment is the use of heated air applied by a hair dryer. This can be of special use in the early stages of an<unk> , since it has very high mortality for eggs. Medications There are many medications which can kill<unk> . Dimethicone is between 70 and 97% effective with a low rate of side effects, and thus is seen as the preferred treatment. It works by physical means and there is no evidence of pesticide resistance. Ivermectin is around 80% effective, but can cause local skin irritation. Malathion has an effectiveness around 90%, but there's the possibility of toxicity. Pyrethroids such as permethrin, while commonly used, have lower rates of effectiveness due to the resistance among<unk> . Effectiveness varies from 10 to 80%, depending on the population studied. Medications within a lotion appear to work better than those within a shampoo. Benzyl alcohol appears effective but it is unclear if it is better than standard treatments. Abametapir was approved for medical use in the United States in July 2020. Alternative medicine Tea tree oil has been promoted as a treatment for<unk> <unk> ; however, there is no clear evidence of its effectiveness. A 2012 review of<unk> <unk>  treatment recommended against the use of tea tree oil for children because it could cause skin irritation or allergic reactions, because of contraindications, and because of a lack of knowledge about the oil's safety and effectiveness. Other home remedies, such as putting vinegar, isopropyl alcohol, olive oil, mayonnaise, or melted butter under a shower cap, have been disproven. The CDC states that swimming has no effect on<unk> , and can decrease the effectiveness of some treatments. Environment After treatment, people are often instructed to wash all bedding and vacuum all areas the<unk>  may have been, such as car seats, coat hoods, and sofas, but this is not always necessary, since adult<unk>  will die within 2 days without a blood meal, and newly hatched<unk>  die within minutes of hatching. Combs and brushes may be deloused in boiling water for 5–10 minutes. Items may also be frozen for 24 hours well below the freezing point of water to ensure that ice crystals form within the cells of the<unk> .
Head lice infestation
Cat bite
Spider bite
Centipede bite
Onychomadesis
Dental plaque
Dog bite
Tick infestation