What Causes Head Lice
The itching can occasionally be severe enough to prevent sleep and some people scratch so much that they cause additional skin infections.
What causes head lice. Although less common head lice can spread by personal contact or the sharing of combs brushes caps and other clothing. Head lice pass between people through two major categories. Head lice are spread through direct contact.
It is much more likely to get head lice via head-to-head contact than it is to get head lice from items. Because head lice crawl onto objects that have touched the human head it is possible to get head lice by sharing everyday objects infested with lice such as hats scarves coats hair accessories brushes combs and towels. Lice feed on human blood and can infest the human head body and pubic area.
Touching your head to the head of someone with head lice sharing the personal. Head lice infestation is medically known as pediculosis capitis It is caused due to the spread of lice from one person to another through head-to-head hair-to-hair contact. Here they will live and breed feeding on a plentiful supply of fresh blood.
However they will grow rapidly and will mature with 12 days after the day they hatched. Its believed that the majority of head lice is passed directly from one person to another this way. While anyone can contract lice they are particularly common in children who attend preschools or elementary.
The female louse produces a sticky substance that firmly attaches each egg to the base of a hair shaft. A nymph is the name given to a baby head louse. Head lice spread from person to person by head-to-head contact through direct contact with the hair of an infested person.
This is caused mainly by the louses saliva which irritates the skin on the scalp. They need blood to live and grow just like the adults do and they feed by drinking the blood from just beneath the surface of your scalp. There can be various type of contacts that causes head lice.