Pinyin: Huang Lian  Chinese: 黄连
Pharmaceutical: Rhizoma Coptidis
Taxonomy: Coptidis chinensis
English: Coptis Rhizome / Goldthread Rhizome

Tastes: Bitter, cold
Meridians Entered: Heart, Stomach, Large Intestine and Liver

Actions & Indications:

1. Clears Heat and drains Dampness
   Damp-Heat in the Stomach or Intestines with diarrhoea or dysenteric disorder
   Stomach Heat with vomiting and/or acid regurgitation
2. Drains Fire and resolves Fire toxicity
   Heat with Blazing Fire (Toxic Heat) with high fever. irritability, disorientation, delirium, a red tongue and a rapid, full pulse
   Heat from Excess with toxicity: painful, red eyes and a sore throat
   Boils, carbuncles and abscesses (Chuang Yung)
3. Clears Heat and stops bleeding
   Blood Heat with epistaxis, hematuria, hemafecia and hemoptysis
4. Clears Heat topically
   Infected wounds, red and painful eyes, ulcerations of the tongue and mouth (topical)
5. Clears Heart Fire (sedative)
   Heart Fire
   Lack of communication between the Heart and Kidneys
6. Drains Stomach Fire
   Stomach Fire
7. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, improve memory. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Standard Dosage: 2-10g in decoction.
Cautions: It is contraindicated for deficiency-cold syndrome. Because its taste is extremly bitter and dryness, overdosage and long-time taking will impair spleen and stomach, yin and fluids.

Pinyin: Huang Qin  Chinese: 黄芩
Pharmaceutical: Radix Scutellariae baicalensis
Taxonomy: Scutellaria baicalensis
English: Baical Skullcap Root

Tastes: Bitter, cold
Meridians Entered: Lung, Stomach, Gallbladder, Large Intestine and Bladder

Actions & Indications:

1. Clears Heat and dries Dampness
   Damp-Heat in the Stomach or Intestines with diarrhoea or dysenteric disorder
   Damp-Warmth with fever, a stifling sensation in the chest and thirst with no desire to drink
   Damp-Heat in the Lower Jiao with painful urinary dysfunction
   Damp-Heat jaundice (auxiliary), infectious hepatitis
2. Drains Fire and detoxifies
   Heat and Fire especially in the Upper Jiao (Lung) with high fever, irritability, thirst, cough and expectoration of thick, yellow sputum
   Upper respiratory tract infection
   Hot sores and swellings (topical or internal)
3. Cools the Blood and stops bleeding
   Xue Stage Heat or Blood Heat causing bleeding with epistaxis, hemoptysis, hematemesis and hemafecia
4. Clears Heat and calms the fetus
   Fetal restlessness due to Heat
5. Calms ascending Liver Yang
   Liver Yang Rising with headache, irritability, red eyes, flushed face and bitter taste
   High Blood pressure
   Gallbladder Heat

Standard Dosage: 5-15g in decoction.

Pinyin: Shao Yao  Chinese: 芍药
Pharmaceutical: Radix Paeoniae
Taxonomy: Paeoniea lactiflora
English: Peony Root

Tastes: Bitter, sour, sweet, slightly cold
Meridians Entered: Spleen and Liver

Actions & Indications:

1. Nourishes the Blood and regulates menstruation
   Liver Blood Deficiency with menstrual dysfunction, vaginal discharge and uterine bleeding accompanied by a pale face, a lusterless complexion and dull, lusterless nails
   Anemia
   Breast distention and premenstrual syndrome
2. Astringes Yin and adjusts the Ying and Wei
   Yin Deficiency sweating
   Sweating due to Yin Collapse
   Disharmony between the Liver and Spleen Disharmony between the Ying and Wei with non-productive sweating
3. Calms Liver Yang and Liver Wind and alleviates pain
   Liver Qi Stagnation with Liver Yang Rising
   Liver Wind with Yin and Blood Deficiency
   Bi syndrome due to Blood Deficiency with pain and spasms
4. Softens the Liver and relieves pain
   Diarrhoea, borborygmus and abdominal pain
   Dysenteric disorders with tenesmus
5. Expels Gu Parasites
   Chronic inflammatory disease (Fruehauf, 2015)

Standard Dosage: 10-30g in decoction.

Pinyin: E Jiao  Chinese: 阿胶
Pharmaceutical: Colla Corii Asini
English: Donkey-Hide Gelatin / Ass-Hide Glue

Tastes: Sweet, neutral
Meridians Entered: Lung, Liver, Kidney and Heart

Actions & Indications:

1. Tonifies the Blood
   Blood Deficiency with dizziness, sallow or pale complexion and palpitations
2. Nourishes the Blood and stops bleeding
   Any kind of bleeding, especially consumptive disorders with hemoptysis, hemafecia, menorrhagia or metrorrhagia
3. Nourishes and moistens Yin
   Yin Deficiency with irritability and insomnia in the aftermath of a Warm febrile disease
4. Moistens the Lungs and Large Intestine
   Dry Lung coughs due to Yin Deficiency or consumption

Standard Dosage: 5-10g in decoction.
Cautions: It should be used with cautions for spleen and stomach deficiency, poor appetite, loose stool due to spleen deficiency because it is greasy and will produce indigestion.

Animal products are prohibited from use in the UK under the Medicines Act 1968 ch. 67 which restricts herbalists to the use of plant products only. It may be substituted with a variety of Blood and Yin tonics depending on the formula, or gelatin from other animal sources such as pigs or cows included as dietary advice, provided it is not supplied by the herbalist as part of the prescription.

Pinyin: Ji Zi Huang  Chinese: 鸡子黄
Pharmaceutical: Galli Gigeriae Vitellus
English: Egg Yolk

Tastes: Sweet, neutral
Meridians Entered: Heart and Kidney

Actions & Indications:

1. Nourishes Yin, tonifies the Blood and moistens Dryness
   Restlessness, insomnia, indigestion, scalds, hemoptysis, vomiting, dysentery, hematochezia, vaginal bleeding during pregnancy, furuncle, indigestion in infants
2. Extinguishes Wind
   Eczema, convulsions

Standard Dosage: Eaten or used as medium for external application.