Symptom flares of atopic dermatitis during the Japanese cedar pollen season--a Website questionnaire study.

摘要

Japanese cedar (JC) pollinosis is a common disease in Japan, and the prevalence is increasing dramatically [1]. The influence of pollen on atopic dermatitis (AD) has been much studied and it is reported that many AD patients can have symptom flares from February to May [2, 3], when the airborne JC pollen reaches a high level in Japan.In addition, a symptom flare is likely to be seen among AD patients who also have JC pollinosis [2]. However, to the best of our knowledge, there have only been a few reports discussing precisely this point. Thus, we examined the frequency of symptom flares of AD during the JC pollen season through a questionnaire on our Website.