Ping Wei San 平胃散
Calm the Stomach Powder

Tradition:

TCM

Source / Author:

Imperial Grace Formulary of the Tai Ping Era (Tai Ping Hui Min He Ji Ju Fang)

Herb Name

Latin

Amount

Cang Zhu (Red Atractylodes)

Atractylodes lancea

12 grams

Hou Po (Magnolia bark)

Magnolia officinalis

Chen Pi (Tangerine peel)

Citrus tangerina, reticulata

9 grams ea.

Zhi Gan Cao (Fried Licorice)

Glycyrrhiza uralensis

6 grams

Preparation:

Powder

Function:

Dries Damp, moves Qi, benefits Stomach

Use:

Distention and fullness of the epigastrium, poor appetite, heaviness, loose stool or diarrhea, nausea, low energy, swollen tongue with thick, greasy coat and a slippery pulse.
1. Acute and chronic Gastroenteritis
2. Chronic Gastritis
3. Chronic Pancreatitis
4. Gastro-esophageal Re
flux
5. Peptic Ulcer
6. Indigestion
7. Obesity

Dose:

6–9 grams with decoction of fresh Ginger and Chinese Red Dates Da Zao

Cautions:

1. Not for dryness or Yin deficiency (It is a very drying formula)

Modifications:

1. Severe Cold and Damp, add Cinnamon (Rou Gui) and Ginger (Gan Jiang)
2. Damp-Heat, with a yellow greasy tongue coat, add Scutellaria Huang Qin and Coptis Huang Lian
3. Vomiting, add Pinellia Ban Xia


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