Effects of Chinese Herbal Medicine for Treatment of Allergic Rhinitis: a Randomized Controlled Trial

The aim of this study is to test and compare the effectiveness between three groups - Cure-Allergic Rhinitis Syrup (CS), Yuk ping fung San (YS) and placebo groups - of adolescents (nursing students) with Allergic Rhinitis (AR) in improving their symptoms of AR, body constitution pattern and health-related quality of life. • The hypothesis are to test the effectiveness of the CS treatment on these students\' AR symptoms and quality of life at immediately, one month and two months after completion of the 4-week intervention, when compared with the YS treatment and placebo group. 1. Cure-Allergic Rhinitis Syrup (CS) group will show significantly reduction of AR symptoms over the 2-month follow-up, when compared to those in YS and placebo groups. 2. CS group will indicate a healthier body constitution pattern over the follow-up, when compared to those with YS and placebo group. 3. CS group will indicate significantly greater improvement of their quality of life over 2-month follow-up, when compared to those with YS and placebo group.