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Войти в исследования Journal of cutaneous medicine and surgery · 2000
Clinical evidence of lice resistance to over-the-counter products.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Burkhart CG, Burkhart C N
Аннотация
BACKGROUND: Over-the-counter insecticidal solutions continue to be the mainstream treatment for most cases of head lice. Recorded insecticidal activity 15 years ago was at 100%, with ovicidal kill at 80%. Recently scattered accounts of possible resistance have surfaced.
OBJECTIVE: This article is to document the general consensus that head lice are becoming resistant to standard over-the-counter therapies.
METHODS: Direct testing of lethality of adult lice with permethrin and pyrethroid was assessed.
RESULTS: Present over-the-counter products proved to be successful in only 9 of 32 head lice tested (28% insecticidal activity).
CONCLUSIONS: Our series of cases further documents that over-the-counter head lice preparations no longer achieve high levels of insecticidal activity, suggesting increased resistance to these insecticides.
OBJECTIVE: This article is to document the general consensus that head lice are becoming resistant to standard over-the-counter therapies.
METHODS: Direct testing of lethality of adult lice with permethrin and pyrethroid was assessed.
RESULTS: Present over-the-counter products proved to be successful in only 9 of 32 head lice tested (28% insecticidal activity).
CONCLUSIONS: Our series of cases further documents that over-the-counter head lice preparations no longer achieve high levels of insecticidal activity, suggesting increased resistance to these insecticides.