Modified Cang Er Zi San was used to treat 31 cases of chronic rhinitis. Method: xin yi hua, bo he, bai zhi, yin hua, lian liao, mian yin chen, jie geng, man jing zi, shi chang pu, gan cao, all drugs were made into powder, and were taken orally after being decocted with water, 1 dose every day, takein in two times, 15 days as a course of treatment. Results: 23 were clinically cured, 5 improved, 3 ineffective.
––Lin Junhui, et al., China’s Jounal of Country Doctors (Zhong Guo Xiang Cun Yi Sheng Za Zhi), 1996, (5):26
Yu Ping Feng San plus Cang Er Zi San plus Bu Zhong Yi Qi Tang was used to treat 168 cases of allergic rhinitis. 1 dose every day, taken after being decocoted with water, 6 doses as a course of treatment. Results: 59 cases were clinically cured, 89 markedly effective, 18 effective, 2 ineffective.
––Liu Jinxia, et al., Shanxi TCM (Shanxi Zhong Yi), 1997, 18(10)
Huang Qin Tang combining Cang Er Zi San was used to treat 108 cases of chronic nasosinustis. 1 dose every day, taken after being decocted, 10 days as a course of treatment, three courses were required. Results: 94.4% cases were effective.
––Li Jingchang, et al., Henan Learned Jounal of TCM (Henan Zhong Yi Yao Xue Kan), 1997, 12(4)