Do you have to treat lice twice?

A second treatment is recommended 9 to 10 days after the first treatment to kill any newly hatched lice before they can produce new eggs. Pyrethrins generally should not be used by persons who are allergic to chrysanthemums or ragweed. Pyrethrin is approved for use on children 2 years of age and older.

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How many times should you treat for lice?

Many lice medicines recommend a second treatment in 9 to 10 days. This will kill any new nymphs that have hatched since the first treatment. Do not treat a person more than 2 times with the same medicine without talking to your doctor. Do not use conditioner for 10 days after any treatment.

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Do you have to treat head lice more than once?

Some treatments need to be done twice – 7 days apart. This makes sure that any newly-hatched lice are killed. Detection combing should usually be done 2 or 3 days after finishing treatment, and again another 7 days after that, to check for any live head lice.

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Can you still have lice after 2 treatments?

No. The two treatments 9 days apart are designed to eliminate all live lice, and any lice that may hatch from eggs that were laid after the first treatment.

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Will head lice go away after one treatment?

One treatment with Nix kills all the lice. Nits (lice eggs) do not spread lice. Most treated nits (lice eggs) are dead after the first treatment with Nix. The others will be killed with the 2nd treatment.

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How to Treat Lice Without Chemicals | Consumer Reports

17 related questions found

How do you know when lice is completely gone?

After each treatment, checking the hair and combing with a nit comb to remove nits and lice every 2–3 days may decrease the chance of self–reinfestation. Continue to check for 2–3 weeks to be sure all lice and nits are gone.

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How long does it take for lice to be completely gone?

With effective treatment, head lice will completely go away after two to three weeks. The duration is dependent on how many lice made a home in your hair. Make sure you follow the instructions on your medicated shampoo, lotion or cream to get rid of lice quickly.

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Do I need to wash bedding everyday with lice?

It's essential to wash all bedding after a head lice treatment. The heat from a hot water cycle will ensure that no surviving lice can find a host again.

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Why am I still finding nits after treatment?

You shouldn't see any crawling head lice after the first treatment if you applied it correctly. If you are still seeing live crawlers, then you may have missed a step or the treatment is not effective against the type of lice your child has.

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Why do I have nits but no lice?

Can someone have nits but no lice? It may be possible to have nits but no lice. If a person cannot find any nymphs or adult lice in the scalp and the nits are more than a quarter of an inch from the scalp, these may be dead and from an old infestation. However, the lice could be in hiding.

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At what point is head lice no longer considered infections?

What makes someone contagious with head lice is having a mature, egg-laying adult female louse on your head that could travel to another head. After the first treatment, when the egg-laying lice are eliminated, you are no longer contagious.

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Can you have just one louse on your head?

To confirm a case of head lice, you need to find live lice. Children can have a few nits without actually having a case of head lice. Usually children have no more than 10 to 20 live lice. Good lighting is important when you are checking.

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Can you overuse lice shampoo?

DO NOT over treat. Some louse shampoos can be neurotoxic and overuse can damage the nervous system. Wear gloves when treating more than one person with head louse shampoo. If more than two treatments are required to control an infestation, talk to the School Nurse(s) or the Health Department about alternative methods.

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How many washes does it take to get rid of lice?

A second treatment with head lice shampoo, cream rinse, or spray is almost always needed 7 to 10 days after the first treatment to kill newly hatched lice. If you're not sure if a second treatment is needed, speak with your pharmacist.

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Why is my head still itchy after lice treatment?

After treatment, your skin may still itch for a week or more. This is because of your body's reaction to the lice. Follow-up care is a key part of your treatment and safety.

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What happens if you don't get all nits out after treatment?

If you do not comb out all the remaining nits, they will hatch and restart the cycle in 7-10 days from that point. That's why we recommend 3 treatments over a 12-day period of time. This stops the life cycle of lice. These are nits at different stages and a louse.

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Why did my lice suddenly disappear?

Head lice sometimes go away on their own because there are not enough insects to maintain the infestation, or they may persist for an indefinite period without treatment. With proper treatment, the infestation usually goes away within about two weeks.

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Should you throw away pillows after lice?

Many parents arrive at our treatment center ready to throw out all their sheets, blankets, mattress, couch, and any piece of furniture that their child has touched in the last 24 hours. Lice Lifters is happy to tell you that none of that is necessary. There is no need to fumigate the house or toss any items.

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How do you get rid of lice super fast?

Suffocate the Lice

Soak your child's head in olive oil or coconut oil. Cover with a shower cap for at least 2 hours (or preferably overnight). When ready, remove the shower cap, and separate the hair into small sections, then use a metal nit comb to carefully remove the lice and eggs. Rinse the hair well with shampoo.

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How long can lice live on a pillow?

Pillows? Just like with mattresses, lice can only live on any bedding—whether it's sheets, pillows, or comforters—for 1-2 days. Without a human scalp as a source for food (blood) for longer than 1-2 days, lice cannot survive.

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Can you swim in a pool with head lice?

Head Lice. Head lice are unlikely to be spread through the use of swimming pools. Head lice survive by holding onto hair, and, although pool chlorine levels do not kill lice, the lice are not likely to let go when a person's head goes underwater.

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Why is lice so hard to get rid of?

The life cycle of the louse starts with a female laying her eggs, which are known as nits. Nits are minuscule, smaller than the head of a pin. They're hardy too, attaching on the hair shaft close to the scalp with a glue-like adhesive. This is what makes it so tough to get rid of head lice permanently.

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