Frequently Asked Questions – Head Lice FAQs


What are head lice?

Head lice: insects which live in the hair of a human body and sucks blood to feed themselves. These insects are mostly found in females and school going children.

What are body lice?

Body louse or lice infests on the body of humans and are typically found where the cleanliness is not taken in any account.

What are pubic lice?

Pubic lice are also called Crab Lice because of its specific body structure. These are formed due to lack of hygiene near private parts. They suck on blood and leaves bad irritability and are found in public hair.

What about non-human lice?

Non-human lice are restricted to animals and in that too each specie has its own type of lice. Dogs, cats, elephants and rest of the animals have their very own kind of lice.

What are book, bark, beggar’s and sea lice?

Bark Lice: Psocoptera is another term given to bark lice which is also known as bark flies. These are supposed to be taken as the most embryonic hemispheroids.

Booklice: these type of lice are also called psocides and are not exactly lice. They are called lice because of the same shape and size of actual lice. Mold is their favourite food which are mostly found in grains and food storages. Humidity is the element which causes and motivates the production of book lice.

Beggar’s Lice: it is usually known as Hackelia virginiana which is a biennial plant found in North of America. Beggar’s lice has uneven stems which are green in color.

Sea Lice: sea lice are basically those parasites which occur externally and have mucus as their means of sustenance. They also feed on blood of fishes and tissues of epidermal.

What about cryptic or ‘imagined’ infestations?

There are people in this world who think that they are highly taken over by lice. However, there isn’t anything of that sort. It is a mental condition and the patient shouldn’t be discharged from the hospital where he is treated. It is a responsibility of the doctor to conduct tests to find out the irritability and sensations on any part of the body. Like said before, it is a mental condition and has nothing to do with the presence of lice.

Do head lice cause harm?

Lice are not a harmful insect and are not contagious or infectious. However, it cannot be the source of any traumatic injury.

Why were my children sent home from school?

Children are send back to home from schools due to head lice because of two main reasons; firstly, they can be spread in the class and secondly, it may become weird for the teachers to stop children from scratching their heads.

From whom did my child acquire head lice?

Mostly, students carry lice which are transmitted from air, uncovered head and many other ways.

What is the origin of head lice?

Lice actually evolved from people. Our forefathers have their own species of lice. However, there are some controversies about it.

How many people are infested with head lice?

Head lice is found in every 4th person in Pakistan and in US the rate is every third person.

What methods can I use to treat head lice?

The best method is anti-lice shampoo and lice picking comb is also considered a good way of treating head lice.

Should everyone in the home be treated?

Yes, it is better to treat everyone at home once it is found in one particular person’s head.

Are head lice resistant to insecticides?

According to recent researches and findings head lice are resistant to “some” of the insecticides. This should not be interpreted as the meaning that all head lice are resistant to all sort of insecticides.

Do insecticides cause resistance?

Insecticides causes resistance only if they are taken in proportionate levels.