Trichosanthes Pericarpium, Gua Lou Pi 瓜娄皮

Gua Lou Pi (TCM)
Picture Dian Nan Ben Cao Tu Shuo (Illustrated Yunnan Pharmacopoeia) Ming Dynasty (1773 edition) (Welcome, Wikimedia)

Picture Trichosanthes kirilowii var. japonica
(Photo by 杉山龍彦) (Wikimedia)

Botanical name:


Trichosanthes kirilowii, T.  rosthornii

Parts used:


Trichosanthes fruit peel

Temperature & Taste:


Cold, Sweet

Classification:


P. Clears Hot Phlegm

Uses:


1. Clears Phlegm-Heat, Stops Cough:
-dry Cough, hard-to-clear Phlegm
-dry, hoarse Throat from Wind-Heat

2. Moves the Qi, Opens the Chest:
-obstruction, constriction or pressure in the chest from Qi obstruction
-early stage of Breast Abscess


Dose:


Decoction: 6–12 grams

Main Combinations:


1. Phlegm-Heat Cough, with Platycodon Jie Geng, Almond kernel (Xing Ren)
2. Early stages of Breast Abscess, with Frankincense

Cautions:


1. Not used for those with Diarrhea from Stomach and Spleen weakness.

Drug Interactions:


1. Not used with Aconite species (counteracts); Incompatible with Ginger and Achyranthes Niu Xi.

Main Preparations used: