Formulas · Transform Dampness 化濕 · Donguibogam · Naegyeong (Stomach)
Calm the Stomach Powder
Pyeongwi-san
한글 평위산 · Pinyin Ping Wei San
平胃散
Composition 構成
- Changchul蒼朮 창출 · Black Atractylodes8 g
Chief 君 - Jinpi陳皮 진피 · Aged Tangerine Peel6 g
Deputy 臣 - Hubak厚朴 후박 · Magnolia Bark4 g
Deputy 臣 - Saenggang生薑 생강 · Fresh Ginger3 g
Envoy 使 - Gamcho甘草 감초 · Licorice2.4 g
Envoy 使 - Daejo大棗 대조 · Jujube2 g
Envoy 使
Total 25.4 g per packet (첩) · representative dosage — verify against source texts.
Actions 效能
- Dries dampness and moves the Spleen
- Regulates Qi and harmonizes the Stomach
Indications 主治
Pattern-based
- Dampness obstructing the middle Jiao
- Abdominal distention with heavy limbs
- Thick greasy tongue coating with poor appetite
Biomedical correlates
- Indigestion and bloating
- Gastric stagnation after overeating
- Heaviness after rich meals
Clinical commentary 臨床
The base formula for damp obstruction of the middle. Korean clinical culture reaches for Pyeongwi-san the way Western households reach for antacids — and it combines fluidly (with Oryeong-san it becomes Wiryeong-tang). — Eui Young (Justin) Chung, L.Ac., Dipl. O.M.