Herb Formulas Notebook


Er Chen Tang

(Two Aged Decoction)

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Source: Formulary of the Pharmacy Service for Benefiting the People of the Taiping Era (1107)
Author: Imperial Medical Bureau



Category: Formulas that Dispel Phlegm

Pattern: Damp-Phlegm from Spleen Deficiency, Fox-like Bulging disorders of the Ren Mai

Key Symptoms: Focal distention, nausea or vomiting
Secondary Symptoms: Cough with copious white sputum that is easy to expectorate, stifling sensation in the chest and diaphragm, palpitations, dizziness, heaviness of the limbs

Tongue: White, greasy coating
Pulse: Slippery
Abdomen: Discomfort in epigastrium, splashing sounds in upper abdomen



Ingredients
Zhi Ban Xia 10g
Ju Hong 10g
Fu Ling 6g
Zhi Gan Cao 3g

Subsitutions:
Original source included Sheng Jiang and Wu Mei. These are often omitted today and Ju Hong may be replaced with Chen Pi.



Preparation: Decoction.

Actions: Dries Dampness, transforms Phlegm, regulates the Qi, harmonises the Middle Burner

Contraindications: Cough associated with Yin deficiency. Improper use can result in excessive thirst and dry throat.



Notes:
Extraordinary Vessel attributions come from Li Shi-Zhen's (1577-8) Exposition on the Eight Extraordinary Vessels (Qi Jing Ba Mai Kao), trans. Chace & Shima (2009). This formula is given by Shen Jin-Ao in the commentary.


Reference Notes: (click to display)

These pages are intended to assist clinicians and are not intended for self-diagnosis or treatment for which a qualified professional should be consulted.