Use of an anti-mite agent in the home of children with nasal allergy by house dust.

概要

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A pyrethroid system anti-mite agent was used for 10 children with HD nasal allergy of 9 families. The numbers of mites in the house dust were counted before use, and 2 weeks, one month and 2 months after use. We examined the clinical symptoms with a diary for nasal allergy.Eight mites were identified, and the family pyroglyphidae was the major family, accounting for more than 90%. The number of pyroglyphidae before use of the antimite agent varied from 100 to 4, 906 per 1g of fine dust among 9 homes, but it ranged from 16 to 14, 404 when a 10m2 area was measured. The coincidence between the decrease of the number of mites and the improvement of the clinical symptoms was highest at 2 weeks after treatment. However, the numbers of mites in some homes increased at 4 weeks after treatment, and so the effect of the agent seems to be decreased. The number of mites in a tatami room was less than that in a carpeted room.A pyrethroid system anti-mite agent is easy to use and safe, therefore, it seems to be useful for eliminating the antigen of HD nasal allergy.
耳鼻咽喉科臨床学会の論文