5. Lung abscess (Fei Yong)

Definition
Suppurated sore and boil in the lung

Relevant modern diseases
1. pulmonary abscess
2. suppurative pneumonia
3. pulmonary gangrene
4. bronchiectasis

Etiology & pathogenesis 
1. wind-heat attacking lung
2. phlegm-heat hidden in the lung

Herbal formula treatment

1. exterior stage
yin qiao san
Jin yin hua, Lian qiao---
Bo he---
Niu bang zi---
Jing jie, Dan dou chi---
Jie geng---
Zhu ye, Lu gen---
DU 14, LI 4, SJ 5, LI 11, LU 7, UB 13

2. suppurative stage
qian jin wei jin tang
Lu gen---
Dong gua ren, Yi yi ren, Tao ren---
RN 22, LU 5, ST 40, LU 7, LI 11, UB 3

3. perforating stage
jia wei jie geng tang
Jie geng---
Yi yi ren, Bei mu, Ju hong---
Jin yin hua, Gan cao---
Bai ji---
RN 22, LU 5, ST 40, LU 7, LI 11, UB 3

4. recovery stage
sha shen qing fei tang
Sha shen, Huang qi, Tai zi shen---
Dong gua ren, Yi yi ren---
Jie gen---
Bai ji---
Sheng gan cao---
BU 13, LU 1, LU 7, KI 6, LU 9, SP 3