Pai nong tang
jie geng 9 sheng jiang 3 da zao 6 gan cao 6
Pai nong tang is a pus expelling formula.
For this formula there is not much written so we look to the formula jie geng tang to see that it treats pus and sores but da zao and sheng jiang have been added. Sheng jiang, da zao and gan cao support tai yin.
Jie geng tang is jie geng 3 gan cao 6
It governs the treatment of turbid spit and pus swelling, and on the side it treats throat ache.
For coughing with chest fullness, cold shivers with rapid pulse, dry throat but no thirst, occasional spitting of putrid stinking turbid slime, and after long time the spitting of pus like rice porridge, it is lung abscess and jie geng tang governs.
Since both the formulas employ jie geng to expel pus, both formulas are applicable. However, pai nong san is typically selected for welling-abscess in the stomach and intestines, whereas pai nong tang is used for welling-abscess in the lung.
Jie geng, Platycodi radix is pungent dispersing of liver blood and the ministerial fire in the san jiao. It is pungent dispersing of the lungs. It is bitter draining of dampness and phlegm in the lungs.
It disperses the lungs, stops coughing and acts as guiding assistant to the lungs. Further jie geng has the effect of clearing purulent infections in case of pneumonia by dispersing and clearing pus. As the Metal element is dispersed it will loosen its punishing grip on wood.
Sheng jiang, Zingiberis rhizoma recens is pungent dispersing of the liver and pericardium blood and the ministerial fire in the san jiao. Sheng jiang is pungent dispersing of dampness and cold in the stomach domain, spleen and lung. Sheng jiang is pungent connecting of the tai yin with the tai yang. It supports raising of the clear qi to the chest and the 100 vessels.
Sheng jiang is working together with jie geng to disperse Metal to control Wood.
Da zao, Jujubae fructus is sweet tonifying and moderating. It tonifies and nourishes the stomach domain, spleen, lungs, and heart. It directly nourishes the shao yin heart.
Da zao adds material to the tai yin middle to generate heart blood while building spleen qi to strengthen the lungs and heart qi to revive the pulse beat.
Gan cao, Glycyrrhizae radix used unprepared it cools heat and moistens dryness. Strengthens qi and moderates other pungent herbs from being too dispersing. It moistens to prevent excessive drying from pungent herbs.