Abstract
In recent year, the number of patients with Japanese cedar pollinosis has been increasing because infantile and elderly patients are elevating. Whereas, various investigations and researches are performed for pollinosis as a subject of public concern.
The clinical guideline for allergic rhinitis was created due to elucidation of the mechanism of pollinosis and selection of drugs was defined. Furthermore, more safety and effective treatments are investigated and exploited. The Japanese government build panel for pollinosis. They develop specialized Japanese cedars that are diminished pollen and also convert Japanese cedar to needle-leaved trees. And some functional diets that inhibit allergic reaction are now investigated. The author believes that the Japanese cedar pollinosis will be overcome in the future.
