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Doctor insights on: Can An Adult Head Lice Bug Be Killed Just By Squeezing It Between Your Fingers

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Dr. Heidi Fowler
213 Doctors shared insights

Head Lice (Definition)

Also known as pediculus humanus capitis, these are tiny parasites that feed on the scalp. Head lice is very contagious and the most common method of transmission ...Read more


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How to kill head lice and most importantly the eggs?

How to kill head lice and most importantly the eggs?

Chemical Tx: We use Malathion and permetrin topically and it is important to use a fine comb to remove all the nits. ...Read more

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I want to kill head lice but have no money to buy the stuff?

I want to kill head lice but have no money to buy the stuff?

Try Vinegar: Some believe that several days of washing the hair with a stout vinegar (apple cider vinegar or pickling vinegar) will kill the lice. It does loosen the egg casings on the hair & allow their removal with a fine comb. An older method includes suffocation, where the hair is filled with baby oil & covered with a shower cap for 12-18 hours. Lice can hold their breath for extended periods. ...Read more

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Could a flat iron kill head lice along with their eggs?

The Lice ; nits: Are right at the scalp. So, you would most likely injure yourself significantly with this approach. ...Read more

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If you put a cat or dog flea collar on a girl's ponytail, is that an effective way to kill head lice?

If you put a cat or dog flea collar on a girl's ponytail, is that an effective way to kill head lice?

No!: Flea collars are designed to kill parasites that infest cats & dogs, not human head lice. Not only would it not work, but there is some evidence that the chemicals in flea collars might be toxic to children, particularly young ones. There are several effective fda-approved treatments for head lice; stick with those. ...Read more

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Could infested head lice lead get in your finger nails and lead to body lice please help!?

Could infested head lice lead get in your finger nails and lead to body lice please help!?

No - they are: Different species. 3 different species of lice can infect humans):
Body lice = Pediculus humanus humanus Head lice = Peidculus humanus capitis Pubic lice = Pthirus pubis.
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I have small round black bug in hair itchy and seem to bite stngs not lice have treated for that didn't kill it. No nits.

I have small round black bug in hair itchy and seem to bite stngs not lice have treated for that didn't kill it. No nits.

Bug: Why don't you take a picture of it so it can be identified and then treated
make sure if you treat the lice the eggs should to treated also and the contacts should be treated also
be sure to comb hair with a fine tooth comb ...Read more

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I've used premethrin to kill the lice, but there are still nits on my eyelashes, eyebrows, and hair. Any quicker way to remove them besides a nitcomb?

I've used premethrin to kill the lice, but there are still nits on my eyelashes, eyebrows, and hair. Any quicker way to remove them besides a nitcomb?

Nit comb necessary: Removing nits with a nit comb is essential. The Permethrin may have to also be used twice, about 7 to 9 days apart. Typically, it is the failure to get the nits off the body with a comb that promotes failure. Lice do not survive off the body. There are cases of 'resistant' lice, but people need to be better about combing them off! ...Read more

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How can I get rid of head lice in an adult?

How can I get rid of head lice in an adult?

Same as in kids: Several effective treatments. Main thing is to treat contacts and clothing to not spread them to others. ...Read more

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Can you get head lice from walking in the woods? I noticed a tiny brown bug crawling on my phone and didn't know if it fell off my head

No: Head lice are specific to humans, and cannot live off the scalp. Unless you were butting heads with someone in the woods or sharing their cap/comb etc, that was not lice. There are countless insects it could have been, but if it was on your phone, then it's no longer on your scalp. Remember to always check for ticks after being in the woods - if you get them off in time, they can't spread disease. ...Read more

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I don't have head lice but around the front of my hair line it feels like bugs are always crawling there. What could be the cause?

I don't have head lice but around the front of my hair line it feels like bugs are always crawling there. What could be the cause?

Irritation?: There coukd e sensitive nerves which cause disconfort. After evaluation if the skin looks normal and there are no underlying medical problems such as diabetes or thyroid issues, intralesional steroids Lidocaine may give you relief. ...Read more

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I have these long tan bugs with brown spots on then I have washed my hair with head lice shampoo and are still there what can I do?

I have these long tan bugs with brown spots on then I have washed my hair with head lice shampoo and are still there what can I do?

Check every day: The usual plan is to have somebody remove every nit (egg) he can find after the first Nix (permethrin) shampoo. Checking one's hair and head for lice or nits, every day, will prevent lice from gaining a foothold again. Repeating the Nix (permethrin) shampoo in 1 week helps. As long as any and all nits (lice eggs) are quickly removed each day, the lice problem goes away. After 1 month of checking, one can just check weekly. ...Read more

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Daughter got head lice. Lindane only killed bugs, not nits. Do any natural remedies work?

Daughter got head lice. Lindane only killed bugs, not nits. Do any natural remedies work?

Vinegar assist: Local application of a stout vinegar will sometimes loosen the bond the nit has to the hair, making it easier to remove. Pickling vinegar or apple cider vinegar seem to work well. You will still need the nit comb or tweezers, but a liberal application of this can help. ...Read more

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Hi doctors, was just wondering what is and what does head lice look like?

Hi doctors, was just wondering what is and what does head lice look like?

Head lice: Pediculus humanus capitis or the head louse is a parasite that is about 1/8th of an inch long. It has 6 legs with a long body and a head in the shape of a diamond. It flat. It has no wings (thus doesn’t fly). It’s color can change to match it’s surroundings. It’s mouth is like a stylet which pierces a human’s scalp to get a blood meal. ...Read more

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Can you tell me if you have killed the head lice are the eggs dead as well?

Not always. Depends: On pediculicide used. The most effective approach is to retreat lice. The reason is that not all pediculicides kill the eggs. It is best to retreat in the window when the eggs have hatched into nymphs but are not yet hatching new eggs. There are however, some pediculicides which are strongly ovicidal. ...Read more

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My child has head lice, and we've tried just about everything to get rid of them. We keep finding a few more!?

My child has head lice, and we've tried just about everything to get rid of them. We keep finding a few more!?

Weekly treatment: Treatment should be repeated after the first week and most important is to make sure that there is nothing causing reinfection such as brushes, bedding, friends, scarves, etc. There was an article a few years back that showed that applying cetaphil cleanser thickly overnight and letting it dry can kill the lice. It may be something to try 7 days in a row as a safe alternative to all the chemical. ...Read more

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What's a fast way to take care of head lice with just home supplies?

Will Need Medication: Unfortunately, you need a medicinal shampoo to kill off the lice and their offspring. However, there are many over-the-counter products to choose from. The key is to get rid of the eggs and/or kill off the hatched offspring before they get a chance to reproduce. If any eggs survive (they are attached to the hair follicles), the cycle just begins all over again. ...Read more

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Body Lice (Definition)

Similar to head lice, these tiny parasitic insects live on the clothes and can often be seen at the seams. They feed on the blood of the host, and ...Read more


Dr. Richard Rissmiller
332 Doctors shared insights

Pediculosis (Definition)

Refers to infestation with lice. Pediculosis can include head lice, body ...Read more