Head lice, wingless, parasitic insects that live on the human body, particularly on the scalp. There are three main types of lice that can be in humans: head lice (Pediculus humanus capitis), body lice (Pediculus humanus corporis), and pubic lice (Pthirus pubis). Head lice are the most common type and are most commonly in school-aged children.
There are currently many types of head lice treatment available both over the counter and by prescription. The mechanism of action is to kill the lice on the scalp. The medicine will not eliminate all the lice at once because it will eliminate only the larvae and adults. As for the lice eggs, you have to wait for them to hatch for about 7-10 days before you can eliminate them all. Therefore, the medicine should be reuse frequently สมัครสมาชิก UFABET วันนี้ รับเครดิตฟรีทุกวัน. The medicines for treating lice are as follows:
- Lice medications are make from pyrethrins mix with various chemicals that help kill lice. They can be use by both children and adults, except for those who are allergic to chrysanthemum flowers or ragweed. The medication may cause other side effects, such as itching or redness on the scalp. This medication, in addition to external use, may also be in the form of a shampoo.
- Permethrin does not directly kill nits. After 9–10 days of use, the medication should be reapplie. Users should be aware of side effects of the medication, such as itching or redness of the scalp.
- Benzyl benzoate is a medication use to kill lice. It is applied to the scalp and left for 12–24 hours, then wash off. It is use for 3 consecutive days. However, this medication does not eliminate nits, so it must be repeat 1 week after the first use, which is the period during which the nits that are still on the scalp will hatch.
Head lice are spread from one person to another through close contact or sharing personal items such as combs, hats, or towels. Lice cannot jump or fly, but they can crawl from one person’s hair to another through close contact. Factors that increase the risk of contracting head lice include being in a crowded environment, such as a school, camp, or workplace where there is frequent close contact. Sharing personal items, such as combs, hats, or pillows, can also a source of head lice spread.