Snakegourd Seed … Classic Formulas

Gua Lou Zi · Semen Trichosanthis

Primary Actions

  • Moistens the Lung and transforms phlegm ... Gua Lou Zi is used for cough with thick sputum, dryness, and phlegm-heat binding the chest.
  • Lubricates the intestines and unblocks the bowels ... the oily seeds are classically chosen when heat and dryness produce difficult stool.
  • Reduces swelling and helps resolve abscess-type phlegm-heat accumulation ... traditional use includes breast or lung abscess patterns.

Classic Formulas

  • Qing Qi Hua Tan Wan ... phlegm-heat cough with chest oppression and thick sputum.
  • Gua Lou Xie Bai Ban Xia Tang ... when chest obstruction and phlegm binding are prominent.
  • Moistening-bowel pairings with other oily seeds ... used when Lung dryness and dry constipation coexist.

Classical Text References

  • Traditional herbals describe Gua Lou Zi as the seed-focused moistening and downward-directing member of the Gua Lou family.
  • Its use for both phlegm-heat cough and dry constipation reflects the seed's richer oil content compared with the peel.