Xiaoqinglong Granules as Add-On Therapy for Asthma: Latent Class Analysis of Symptom Predictors of Response

Table 1

Components of Xiaoqinglong granule (with sugar, 1000 g)* and their chinese medicine treatment functions.

Pi yin name	Latin name	Part used	Weight	Chinese medicine treatment functions
Ma Huang	Ephedra sinica Stapf.	Stems	154 g	Ma Huang resolves the exterior and diffuses the lungs, stops coughing, and levels panting.
Gui Zhi	Cinnamomum cassia Presl.	Twigs and branches	154 g	Gui Zhi resolves the exterior and scatters cold. When combined with Ma Huang, Gui Zhi strengthens Ma Huang’s function of promoting diaphoresis.
Bai Shao	Paeonia lactiflora Pall.	Roots	154 g	Bai Shao is used to harmonize the blood to regulate qi.
Gan Jiang	Zingiber officinale Rosc.	Rhizomes	154 g	Gan Jian scatter cold, dispel dampness.
Xi Xin	Asarum heterotropoides Fr. Schm.	Whole	77 g	Xi Xin prevents wind cold.
Zhi Gan Cao	Glycyrrhiza uralensis Fisch.	Roots	154 g	Mix-fried Gan Cao harmonizes the other medicinal in this formula.
Fa Ban Xia	Pinellia ternate (Thunb.) Breit.	Rhizomes	231 g	Ban Xia transforms phlegm and down bears the qi.
Wu Wei Zi	Schisandra chinensis (Turcz.) Baill.	Fruits	154 g	Wu Wei Zi engenders fluids, constrains the lung qi, and helps stabilize panting.

*Chinese Pharmacopoeia (2005) [12].