Er Chen Tang二陈汤
Two-Aged Decoction
Ingredients4 herbs
Indications
Damp-phlegm pattern: Spleen loses transformation, damp gathers into phlegm that flavors every symptom — the cough, the fullness, the nausea, the muddled head. Treating the Spleen and drying the damp treats the phlegm at its source.
Clinical Manifestations
- Cough with copious white sputum
- Chest and epigastric stuffiness
- Nausea and vomiting of phlegm-damp
- Dizziness and palpitations from phlegm-fluids
Health Categories
Modern Applications
Common adjustments
- Cold phlegm — add Gan Jiang 干姜, Xi Xin 细辛
- Heat phlegm — exchange for cooling transformers such as Zhu Ru 竹茹, Gua Lou 瓜蒌
- Wind phlegm with dizziness — add Tian Ma 天麻, Bai Zhu 白术 — Ban Xia Bai Zhu Tian Ma Tang direction
Contraindications
Acrid and drying: unsuitable for yin-deficiency dry cough and for phlegm with blood streaking.
For licensed practitioners’ reference only — not a self-treatment guide.
Pregnancy
Practitioner supervision required
Related Formulas
References
Source Tai Ping Hui Min He Ji Ju Fang 《太平惠民和剂局方》 · Song dynasty
「治痰饮为患，或呕吐恶心，或头眩心悸……」
- Classical source (public domain), cited in the source-quote section.
2. Scheid, Bensky, Ellis & Barolet. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. — composition & dosage cross-checked.
3. 《方剂学》（全国中医药行业高等教育规划教材）— pattern analysis cross-checked.
Professional reference notice. Entries are scholarly references for licensed TCM practitioners and students — not medical advice, and not a recommendation to self-prescribe. Chinese herbal formulas should be used under the guidance of a qualified practitioner. Content is an original editorial compilation by Cura x Cura, cross-checked against the cited references.