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Lice Infestation - Lice Infestation symptom, treatment, causes


Lice are wingless insect parasites that feed on blood. Different types of lice infest the scalp (and sometimes eyebrows and lashes), body and pubic areas. Scalp lice and CRABS (pubic lice) live on the skin and lay their eggs (nits) at the roots of hairs. Body lice live and lay their eggs on clothing worn next to the skin, and are generally found only when underclothes are seldom changed. Lice mostly spread by close contact with an infested person. They don't jump, but they can fall off and live for 24 hours after leaving the body, so it is possible to pick them up from bedclothes or upholstery

When they fee, their bites leave small, very itchy spots. Scratching may break the skin further and lead to secondary bacterial infection. Another sign of body and pubic lice is the black specks of their faeces on underwear. The lice (3 mm in diameter) and nits are generally easy to identify without magnification but, if in doubt, consult your doctor.

Several lotions are effective for treatment. Your doctor or pharmacist will advise a suitable preparation - some cannot be used during pregnancy or breastfeeding. Follow the manufacturer's instructions carefully, including the measures to prevent spread or recurrence

Head lice infestation (pediculosis), one of the most common contagious childhood diseases is caused by barely visible insects found almost exclusively on the human scalp. Having head lice is very common. It is, however a serious public health problem because some lice can carry organisms that cause other diseases, including relapsing fever, trench fever, and epidemic typhus. Although trench fever is self-limiting, the other two diseases have mortality rates of 5%-10%. Pubic lice are often associated with other sexually transmitted diseases (STDs) but do not spread them. Lice infestations are frequent occurrences in areas of overcrowding or inadequate facilities for bathing and laundry. They are often associated with homelessness in the general population or with military, refugee, or prisoner camps in war-torn areas. All humans are equally susceptible to louse infestation; the elderly, however, are more vulnerable to typhus and other diseases carried by lice. usually infest people who have poor hygiene and those living in close quarters or crowded institutions. Pubic lice also sometimes leave small dark brown specks from their own excreted matter on the parts of the patient's under-wear that cover the anal or genital areas.

Causes of Lice Infestation

The common Causes of Lice Infestation:

  • Sharing combs, hat, pillow etc.
  • Head to head contact with the person having head lice.
  • Lack of personal hygiene like not taking bath daily, not wearing clean washed clothes and so on.

Symptoms of Lice Infestation

Some Symptoms of Lice Infestation :

  • Itching, caused by an allergic reaction to the bites.
  • Reddishness on scalp .
  • Irritability.
  • Tickling feeling of something moving in the hair.
  • Repeated scratching might lead to skin infections .

Treatment of Lice Infestation

  • Infested eyelashes are treated with a thick coating of prescription petroleum ointment, applied twice daily for ten days.
  • Infestations of body lice can also be treated by washing the patient's clothes or bedding in boiling water, ironing seams with an iron on a high setting, or treating the clothes with 1% malathion powder or 10% DDT powder.
  • Combing through the hair to remove nits and lice after treatment
  • After treatment, check hair and comb with a nit comb to remove nits and lice every 2-3 days. Continue to check for 2-3 weeks until you are sure all lice and nits are gone.

 

Lice Infestation - Lice Infestation symptom, treatment, causes

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