Head lice are not known to transmit any disease and therefore are not considered a health hazard.Head lice infestations can be asymptomatic, particularly with a first infestation or when an infestation is light.Itching (pruritus) is the most common symptom of head lice infestation and is caused by an allergic reaction to louse bites.It may take 4–6 weeks for itching to appear the first time a person has head lice. Other symptoms may include: 1  a tickling feeling or a sensation of something moving in the hair;2  irritability and sleeplessness; and. 3  sores on the head caused by scratching.t may take 4–6 weeks for itching to appear the first time a person has head lice. Other symptoms may include: 1  a tickling feeling or a sensation of something moving in the hair; 2  irritability and sleeplessness; and. 3  sores on the head caused by scratching.
http://www.cdc.gov/parasites/lice/head/disease.html
Head lice are not known to transmit any disease and therefore are not considered a health hazard. However, people with head lice sometimes develop bacterial infections from scratching the skin or scalp.ead lice are not known to transmit any disease and therefore are not considered a health hazard. However, people with head lice sometimes develop bacterial infections from scratching the skin or scalp.
http://www.scdhec.gov/Health/DiseasesandConditions/InfectiousDiseases/InsectAnimalBorne/HeadLice/
Head lice infestation (also known as pediculosis capitis, nits, or cooties) is the infection of the head hair and scalp by the head louse (Pediculus humanus capitis).Itching from lice bites is common. During a person's first infection, the itch may not develop for up to six weeks.ead lice are generally spread through direct head-to-head contact with an infested person. Transmission by sharing bedding or clothing such as headwear is much less common. The cause of head lice infestations is not related to cleanliness.
https://en.wikipedia.org/wiki/Head_lice_infestation
A. Head lice should not be considered as a medical or public health hazard. Head lice are not known to spread disease. Head lice can be an annoyance because their presence may cause itching and loss of sleep.Sometimes the itching can lead to excessive scratching that can sometimes increase the chance of a secondary skin infection.This answer should not be considered medical advice.... Head lice should not be considered as a medical or public health hazard. Head lice are not known to spread disease. Head lice can be an annoyance because their presence may cause itching and loss of sleep.
http://answers.webmd.com/answers/1199053/do-head-lice-spread-disease
Head lice are spread by direct contact with the hair of someone who is infected. The cause of head lice infestations are not related to cleanliness. Other animals, such as cats and dogs, do not play a role in transmission. Head lice feed only on human blood and are only able to survive on human head hair.ead lice are generally spread through direct head-to-head contact with an infested person. Transmission by sharing bedding or clothing such as headwear is much less common. The cause of head lice infestations is not related to cleanliness.
https://en.wikipedia.org/wiki/Head_lice_infestation
There is, however, laboratory evidence that they are susceptible to infection with Rickettsia prowazeki and subsequently become infectious. It is time now, therefore, to ensure that cautionary statements are included regarding head lice whenever human lice and louse-borne diseases are discussed.ackenzie (1942) believed that body lice were evolutionary forms of the head louse and that both were vectors of typhus. Gerberg suggested in 1973 that there is a potential hazard for disease transmission by head lice in urban areas.
http://www.headlice.org/news/classics/vectors.htm
Several of the infectious diseases associated with human lice are life-threatening, including epidemic typhus, relapsing fever, and trench fever, which are caused by Rickettsia prowazekii, Borrelia recurrentis, and Bartonella quintana, respectively.everal of the infectious diseases associated with human lice are life-threatening, including epidemic typhus, relapsing fever, and trench fever, which are caused by Rickettsia prowazekii, Borrelia recurrentis, and Bartonella quintana, respectively.
http://www.ncbi.nlm.nih.gov/pubmed/22360386
1 In fact, even the presence of mature head lice is not considered a valid reason to exclude children, only a cause for prompt referral to the physician for treatment.. 2  Myth: Lice carry disease.  3 Head lice do not transmit serious infectious disease, Bonwit explained. lice infestation, however, is not a reflection of a person's cleanliness, according to Dr. Andrew Bonwit, a pediatric infectious disease expert at Loyola University Health System in Illinois. Personal hygiene and socioeconomic status have nothing to do with having or transmitting head lice.
http://www.webmd.com/children/news/20131018/doc-dispels-common-myths-about-head-lice
Head lice facts. 1  Head lice are parasites that are found on human heads. 2  The word lice is plural for louse. 3  Head lice are spread by personal contact or the sharing of combs, brushes, caps, and other clothing. 4  Head lice are a common problem with preschool and schoolchildren. Head lice are spread by personal contact or the sharing of combs, brushes, caps, and other clothing. 2  Head lice are a common problem with preschool and schoolchildren. 3  Head lice cause a tickling feeling of something moving in the hair, itching, and sores on the head.
http://www.medicinenet.com/head_lice/article.htm
Pediculosis is an infestation of the hairy parts of the body or clothing with the eggs, larvae or adults of lice. The crawling stages of this insect feed on human blood, which can result in severe itching. Head lice are usually located on the scalp, crab lice in the pubic area and body lice along seams of clothing.ediculosis is an infestation of the hairy parts of the body or clothing with the eggs, larvae or adults of lice. The crawling stages of this insect feed on human blood, which can result in severe itching. Head lice are usually located on the scalp, crab lice in the pubic area and body lice along seams of clothing.
http://www.health.ny.gov/diseases/communicable/pediculosis/fact_sheet.htm
is head lice considered an infectious disease
No, head lice is not considered an infectious disease.