Modification to Qiāng Lán Tāng

Qiang Lan Tang
(Notopterygium and Isatis Root Decoction)

''Modification:'' For coug with sputum that is difficult to expectorate. - refer to:
Author: Dan Bensky and Randall Barolet
, p49

    Herb Common Name   Qty.  
羌活 Qiang Huo notopterygium root, chiang-huo 9 - 12 grams
板藍根 Ban Lan Gen indigowoad root, Chinese Woad, indigo woad root, Isatis root 15 - 30 grams
added 桔梗 Jie Geng baloon flower root, platycodon root
added 甘草 Gan Cao licorice root