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Er Chen Tang

Citrus & Pinellia Combination Capsules | 二陳湯
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SKU 238B

Ingredients: Pinellia root (zhi ban xia), Citrus peel (chen pi), Hoelen fungus (fu ling), Chinese licorice root (zhi gan cao), Ginger root (sheng jiang)

Mandarin: 二陳湯
Pin-Yin: Er Chen Tang
English: Citrus & Pinellia Combination
Romaji: Nichin To
Kanji: 二陳湯
Kampo: No


  • Formulas of the People’s Welfare Pharmacy (Tai Ping Hui Min He Ji Ju Fang)

How it works:

  • Dissolves phlegm
  • Regulates qi
  • Harmonizes middle jiao
  • Dries dampness


Clinical Applications:

  • Qi deficiency
  • Damp phlegm
  • Excessively moist and white tongue

This version of the formula was widely used during the Song dynasty and was originally developed during the Han dynasty to treat accumulation of phlegm. Er Chen Tang is traditionally used to treat excess phlegm accumulation by dissolving phlegm, drying dampness, regulating qi, and harmonizing the middle jiao.

English Name

Pin-Yin Name

Pinellia Rhizome

Zhi Ban Xia

Citrus Peel

Chen Pi


Fu Ling

Baked Licorice

Zhi Gan Cao


Main Ingredient(s):

In this formula, Pinellia Rhizome descends stomach qi and reduces distention, while Citrus Peel activates middle jiao qi and revives the spleen. Both chief ingredients dry dampness and help with excessively moist phlegm.

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