Table of Contents
ISRN Dermatology
Volume 2012, Article ID 218538, 5 pages
Clinical Study

The Relationship between Symptom Flare of Atopic Dermatitis and Airborne Japanese Cedar and Cypress Pollen Counts: A Self-Scoring Diary Study

1Department of Dermatology, Fukuoka National Hospital, National Hospital Organization, 4-39-1 Yakatabaru, Minami-ku, Fukuoka 811-1394, Japan
2Department of Pediatrics, Fukuoka National Hospital, National Hospital Organization, Fukuoka 811-1394, Japan
3Department of Allergology, Fukuoka National Hospital, National Hospital Organization, Fukuoka 811-1394, Japan
4Kyushu Branch of Japan Allergy Foundation, Fukuoka 811-1394, Japan
5Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan

Received 4 January 2012; Accepted 15 February 2012

Academic Editor: R. A. Schwartz

Copyright © 2012 Haruko Nishie et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background. With an increase in Japanese cedar and cypress (JC) pollinosis, the relationship between JC pollen and atopic dermatitis (AD) has been studied. Some reports suggest that JC pollen can be one exacerbating factor for AD, but there has been no report that discusses JC pollen counts relating to AD symptom flare although actual airborne JC pollen counts can widely fluctuate throughout the pollen season. Objective. The relationship between symptom flare of AD and airborne JC pollen counts was examined. Methods. We monitored JC pollen counts in real time and divided the counts into low and high level. We then analyzed self-scored “itch intensity” recorded by 14 AD patients through a self-scoring diary. Results. Among the 14 patients, 7 had significantly higher itch intensity while the pollen counts were high. Conclusion. Even during the pollen season, actual airborne pollen counts can widely fluctuate. Our study suggested that symptom flare of AD could be influenced by the actual pollen counts.