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Updated: May 30, 2026

A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
Published on: June 4, 2017
[Prevalence of allergens for Changsha patients with allergic rhinitis]
Yunxia Lü1, Zhihai Xie, Suping Zhao
1Department of Otorhinolaryngology, Xiangya Hospital, Central South University, Changsha 410008, China.
Objective:
To investigate the allergens in patients with allergic rhinitis, to find common allergens of Changsha and to provide statistic basis for a reasonable prevention and treatment.
Method:
The allergens in 1437 patients with allergic rhinitis in Changsha were detected by skin prick test.
Result:
Eight hundred and ninety-eight (62.49%)of 1437 cases presented positive reaction. Among positive cases in inhalation group, the most common allergen was flour mite (98.33%), then were house dust mite (94.54%), mycetes II (19.27%) and weed (18.37%). Shrimp (35.41%) was the most common allergens in food group. And in childhood, adolescence and adulthood prick-positive cases, the ratio of more than 2 positive allergens were about 8.57%,18.04%, 19.15%.
Conclusion:
The study shows that the flour mite and house dust mite are the most common allergens in Changsha.
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Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
