Table 2.

Composition of different QJDHW preparations.

Study ID	Preparation	Composition
Li et al., 2012 [21]	Decoction	Chrysanthemum flower 20 g, Chinese wolfberry fruit 15 g, prepared rehmannia root 20 g, Cornus 15 g, common yam rhizome 15 g, poria 15 g, water plantain rhizome 12 g, tree peony bark 10 g, danshen root 15 g, earth worm 20 g, red peony root 12 g, two-toothed achyranthes root 20 g, gambir plant 12 g, and common self-heal fruit spike 15 g. Severe dizziness and tinnitus plus dragon bones 20 g and oyster shell 20 g; vexing heat in the five centers and red tongue plus common anemarrhena rhizome 12 g and Chinese wolfberry root bark 12 g; amnesia and lumbago plus Tortoise plastron 15 g, Eucommia bark 12 g, Chinese taxillus herb 15 g, and deer antler glue 10 g (melted in decoction).
Zhu, 2012 [22]	pill	Chinese patent medicine
Du et al., 2009 [23]	pill	Chinese patent medicine
Yang and Cheng, 2005 [24]	Modified  QJDHW	Chrysanthemum flower 20 g, Chinese wolfberry fruit 15 g, prepared rehmannia root 20 g, Cornus 15 g, common yam rhizome 15 g, poria 15 g, water plantain rhizome 12 g, and tree peony bark 10 g.
OuYang, 2002 [25]	pill	Chinese patent medicine
Zhang, 1999 [26]	pill	Chinese patent medicine
Ling, 2011 [27]	pill	Chinese patent medicine
Liu, 2008 [28]	pill	Chinese patent medicine
Zhong, 2006 [29]	pill	Chinese patent medicine
Zhou, 2002 [30]	pill	Chinese patent medicine

Abbreviations: QJDHW: Qi Ju Di Huang Wan.