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Doctor insights on: How Can I Tell If The Nits Are Dead Or Alive

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How can I tell if the nits are dead or alive?

How can I tell if the nits are dead or alive?

Nits dead or alive: According to the centers for disease control, if the nit has traveled a quarter inch down the length of the hair strand, it probably has either hatched or died. ...Read more

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Dr. Tiffanie Noonan
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Dr. Heidi Fowler
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Head Lice (Definition)

Pediculus humanus capitis (head lice) is a parasite that can affect humans & can betransmitted two ways. The most common is direct person to person contact. The second way is vector transmission – from a contaminated ...Read more


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

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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Dr. Tiffanie Noonan
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14 years in practice
1M people helped
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What is the best way to remove dead nits from fine hair?

What is the best way to remove dead nits from fine hair?

Fine tooth comb: Most otc products come with a fine toothed comb used to remove the nits from the hair.Some find that soaking the hair in vinegar will loosen the nits & make them easier to separate. ...Read more

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After using permethrin cream for crabs do the dead nits have to be removed or do they just fall off?

Use the comb: Most of the critters will fall off, but the comb that comes with the kit will help remove the eggs; or keep using the cream. Good luck. ...Read more

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How to get reed of dead head lice eggs?

How to get reed of dead head lice eggs?

Various methods: Many find soaking the hair with a stout vinegar will loosen the eggs from the hair.A nit comb (fine tooth) can then remove them a bit easier. Several treatments may be needed. ...Read more

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Dr. Tiffanie Noonan
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14 years in practice
1M people helped
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Can you tell me what are nits from lice bugs?

Can you tell me what are nits from lice bugs?

Egg encasements: Human lice are mature by 10 days of age and can start laying eggs thereafter. They do so at the level of the scalp within a hard shell that incubates the egg until the new lice emerges.The nit, is attached to the hair by a glue like material that is resistant to easy separation. Mild acidic washes like vinegar can help dissolve the glue and help with removal along with a fine tooth comb. ...Read more

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3 nits, none alive- wet combed with metal nit comb every 3 days for past 3 wks, washed/cleaned, see nothing in hair or comb since. Possible i beat it?

3 nits, none alive- wet combed with metal nit comb every 3 days for past 3 wks, washed/cleaned, see nothing in hair or comb since. Possible i beat it?

Maybe,maybe not: Nits mean the presence of adult lice. The duration of the infestation can be estimated by the distance of nits from the scalp.Hair grows ~.5in/mo, so if .5in high in hair they were around for a month.You will generally never be able to see the lice unless you shave off all the hair they hide in. They ay or may not be gone.If nits re-appear, they remain. ...Read more

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How can I tell how long my child has had head lice, by the number if nits?

How can I tell how long my child has had head lice, by the number if nits?

Not by the number...: ...But by their location on the hair shafts. A head louse will attach her eggs (which is what nits are) to hair shafts at the point where they come out of the skin. As the hair grows, the nits move up from the scalp surface. Hair grows about 1 inch per month, on average - so if the nits are a half-inch away from the scalp, lice have been present for about 2 weeks; an inch away, 4 weeks; and so on. ...Read more

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We have treated my hair so many times for lice. The bugs look like lice but what else could it be? I can't tell if I have nits or dandruff

Dandruff flakes off: Dandruff flakes off easily while nits are essentially "glued" to the hair shaft and are difficult to remove. Very important to treat entire household with a lice shampoo (Nix, Rid, etc) and to launder all bedding incl pillows, mattress covers, sheets, etc. in very hot water (120 degrees). Use "nit comb" to remove all nits from hair, be diligent, repeat until nits gone. ...Read more

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Dr. Tiffanie Noonan
Board Certified, Pediatrics
14 years in practice
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