Dear Parents/Carers

I hope you find this useful in helping us to get rid of our little friends!

Head lice (From


Head lice are tiny wingless insects that are grey-brown in colour

How common are head lice?

Head lice are a common problem, particularly in school children who are 4-11 years of age.It is not easy to tell exactly how common head lice are because the problem is often treated at home with people only visiting their GP if treatment proves unsuccessful.However, it is thought that more than 1 in 3 children in the UK are likely to get head lice at some time during the year.

How to treat nits

Head lice, sometimes called nits, are common in children. Find out how to get rid of them if your child is affected. Head lice are tiny wingless insects that live in human hair. They are common, particularly in children.

Head lice are grey-brown in colour, the size of a pinhead when hatched and of a sesame seed when fully grown.

They cannot fly, jump or swim and are spread by head-to-head contact, climbing from the hair of an infected person to the hair of someone else.

A head lice infestation is not the result of dirty hair or poor hygiene. Head lice can affect all types of hair irrespective of its condition and length.

Head lice only affect humans and cannot be passed on to animals or be caught from them.

Life cycle of head lice

A female head louse lays eggs by cementing them to hairs (often close to the root) where they are kept warm by the scalp. The eggs are pinhead size and difficult to see.

After 7-10 days, the baby lice hatch and the empty eggshells remain glued in place. These remains are known as nits. Nits glisten white and become more noticeable as the hair grows and carries them away from the scalp.

Head lice feed by biting the scalp and feeding on blood. They take 6-10 days to become fully grown. Once mature, a head louse can crawl from head to head.

A female head louse may start to lay eggs as early as seven days after she has hatched. So to break the cycle and stop them spreading, they need to be removed within seven days of hatching.

How to spot head lice

In most cases, itching is the main symptom of head lice. It is not caused by the lice biting the scalp but by an allergy to the lice. However, not everyone experiences itching.

It’s not always easy to see head lice so detection combing is the best way of finding head lice. This involves using a special fine-toothed head lice comb (with tooth spacing of less than 0.3mm to trap the smallest lice) to comb through the hair. It works better on wet hair but can be used on dry hair.

Detection combs are available from pharmacies.

Treating head lice

Head lice can usually be effectively treated using medicated lotions or by wet combing, using a specially designed head lice comb.

Wet combing can be used without medicated lotions, but needs to be done regularly and can take a long time to do thoroughly.

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