I am currently dealing with my first battle of head lice with my four children. I have treated them with the home treatments several times and am still unable to completely remove nits. School is starting soon and they have to be “nit free.” I have tried numerous combs, but all of them allow the strand of hair and the nit to pass through. HELP, PLEASE!!
Best answer:
Answer by jose m
Physical methods of removing nits and lice, often a neglected part of treatment, can be effective on their own. They are however more reliable used in conjunction with insecticide treatments. They are time consuming.
Eggs are cemented strongly to the hair shaft and simple washing usually doesn’t remove them. Nit combs are the most effective way of physically removing the nits. They are available from chemists, pet stores or can be purchased over the Internet. Metal combs are much more effective than plastic. Electrical combs designed to ‘zap’ lice on the hair shaft are not effective.
Using a nit comb is easiest when the hair is wet. Combing may be easier if a conditioner is applied first. It is best done after treating with insecticides.
Use a good light.
Work through the hair in sections and comb down the hair shaft towards the scalp to try and remove the stubborn nits.
It may be easier if this is done while the child is kept occupied (for example watching television).
Repeat the combing at least twice more on consecutive nights if possible and then weekly.
Cutting the hair short (i.e. No. 1 cut) may be useful in difficult cases. This makes searching and removing lice easier but won’t prevent reinfestation.
Other methods
There are numerous other methods that have been used to eradicate lice. The effectiveness of these treatments has not been extensively studied.
These include:
Antibiotics Co-trimoxazole (Bactrim or Septrin) is sometimes prescribed as a second line treatment for head lice. The belief is that the bacteria in the gut of the lice, which are essential for the digestion of nutrients, are killed when the lice feed on the blood of a person taking this antibiotic. They then starve to death.
Suffocating Agents Many home remedies have been used on the scalp to try and smother the lice. These include mayonnaise (full fat), olive oil, petroleum jelly (Vaseline), which should be left on the scalp for at least two hours. This process can be messy. These methods only kill active lice and have no effect on nits. Therefore the treatment needs to be repeated. Kerosene should not be used; it is potentially dangerous because it is neurotoxic and also highly flammable.
Natural oils There are numerous natural oils (e.g. tea-tree oil) and so-called ‘natural’ based products available but all should be used with caution because of unknown toxic effects and unproven benefit.
Treatment failure
Failure to eradicate lice is a common and frustrating problem.
There may be a number of reasons for this
Reinfestation from another person or from contaminated clothes, hats, etc.
Resistance of lice to insecticides. If a course of treatment fails to cure, a different insecticide should be used for the next course.
Misdiagnosis of inactive infection. It is important to look for active lice not just nits.
There is no information on the resistance patterns of lice in New Zealand. Recent studies in the USA suggest that resistance has developed where pyrethroids have been used as the main treatment for lice. This usually occurs in chronically infested individuals that have been treated many times over a short period. Lice resistant to malathion have also been detected in a recent UK study.
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