Fermented Pinellia … Classic Formulas

Ban Xia Qu · Massa Fermentata Rhizomae Pinelliae

Primary Actions

  • Transforms phlegm and relieves cough when damp-phlegm obstructs the Lung and middle burner.
  • Promotes digestion and reduces food stagnation, especially when phlegm, dampness, and stagnant food combine with focal distension, belching, poor appetite, or nausea.
  • Harmonizes the Stomach and redirects rebellious Qi downward, giving it a practical role in mixed phlegm-food accumulation patterns.

Classic Formulas

  • Zhi Shi Xiao Pi Wan, where Ban Xia Qu helps transform phlegm and food accumulation in focal epigastric distension.
  • Digestive-phlegm formulas may use Ban Xia Qu when dampness and food stagnation trap the middle burner together.

Classical Text References

  • Traditional dictionaries describe Ban Xia Qu as bitter, pungent, and neutral, entering the Lung, Spleen, and Large Intestine.
  • Its classic actions are to transform phlegm, stop cough, aid digestion, and widen the middle.