Harmonize the Stomach
Ping Wei San
Kan Essentials
Expels Damp Cold stagnation in the Spleen and Stomach, tonifies Spleen Yang.
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- Herb: Cang-zhu atractylodes rhizome, Tangerine dried rind of mature fruit, Magnolia bark, Red jujube fruit, Chinese licorice root and rhizome, Ginger rhizome
- Herb (Pinyin): Cang zhu, Chen pi, Hou po, Hong zao, Gan cao, Gan jiang
- Pattern: Spleen Yang deficiency, Damp Cold stagnation in the Middle Burner, Damp and Coldness Stagnation in the Spleen and Stomach, Stomach Qi Deficiency
- Actions: Expel Damp Cold stagnation in the Spleen and Stomach, Tonify Spleen Yang
- Indications: belching, Occasional lethargy, Occasional nausea, vomiting, acid regurgitation, loss of appetite, diarrhea and/or constipation, Occasional abdominal distension, diarrhea, heavy limbs
- Contraindications: Avoid during pregnancy.
- Tongue: slightly purple
- Pulse: slightly forceful
Harmonize the Stomach (Ping Wei San) was first described in the Imperial Grace Formulary of the Tai Ping Era almost a thousand years ago in about 1085 A.D. The formula is designed to address Damp Cold stagnation in the Spleen and Stomach, secondary to Spleen Yang deficiency. The Damp accumulation obstructs the normal movement of Stomach Qi in the Middle Burner, causing it to rebel upward. Over-consumption of raw or cold foods is often labeled as the underlying cause of this pattern in humans. In dogs and cats, it appears to be the over- consumption of high starch grain-laden diets.
Cang-zhu atractylodes rhizome and Magnolia bark both dry Damp. Magnolia bark additionally disperses stasis from the abdomen while Cang-zhu atractylodes rhizome warms the Spleen and Stomach. Tangerine dried rind of mature fruit assists in moving the Qi of the abdomen while also “cutting” the Damp. Ginger rhizome and Red jujube fruit tonify the Stomach and Spleen respectively, without being cloying. Chinese licorice root and rhizome tonifies the Spleen and Stomach Qi, while also harmonizing the formula as a whole.