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Ma Huang
| 1.5-4.5g | |
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Pinyin: Ma Huang
Chinese: 麻黄
Pharmaceutical: Herba Ephedrae
Taxonomy: Ephedra sinica seu intermedia seu equisetina
English: Ephedra Stem / Joint Pine / Joint Fir / Mormon Tea / Brigham Tea |
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Tastes: Pungent, slightly bitter, warm
Meridians Entered: Lung and Bladder |
Actions & Indications:
- Induces sweating and releases the Exterior
Taiyang Stage Wind-Cold Invasion of the Lung, with anhidrosis, chills, fever, headache and a tight, floating pulse
- Disseminates and facilitates Lung Qi, calms wheezing and stops coughing
Wind-Cold Obstructs Lung Qi
- Promotes urination and reduces oedema
Externally generated oedema
- Warms and disperses Cold pathogens
Wind-Cold Bi
Cold extremities (Reynaud's disease)
- Breaks up concretions, firmness, accumulations and gatherings (Shen Nong Ben Cao Jing)
Yin sores that are firm, deeply rooted and without a head
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Standard Dosage: 1.5-9g in decoction to release the exterior, and 10-15g for the treatment of oedema. Maximum dose is 20g. Toxic dose is considered to be 30-45g but side effects and risks are possible at any dosage.
Cautions: It is prohibited to be used for patients with deficient dyspnea without blockage of the lung qi and should be used with caution for patients with hypertension and insomnia because ephedrine can stimulate central nervous system and raise blood pressure. The Shang Han Lun recommends removing the nodes and decocting Ma Huang first, scooping the foam from the top of the decoction. It has been argued this is to reduce the "vexing" effects although the efficacy of this is debated and rarely done today.
It should not be used in conjunction with MAOIs, central nervous system stimulants, alkaloids ergotamines and xanthines enhancing their effects by acting as a receptor level agonist.
In the UK the maximum daily dose permitted without prescription is 1.8g daily in three 0.6g doses. This makes it difficult to achieve a pharmacologically active effect and must be complemented with other herbs that release the exterior and expel Wind-Cold such as Gui Zhi, Jing Jie, Fang Feng and Zi Su Ye.
Huang Hua Zi (Sida cordifolia), more common in Ayurveda where it is known as Bala बला, also contains ephedrine at lower concentrations and has no legal restrictions placed on it by the UK MHRA. It is considered more cooling, Heat clearing and Damp draining without Exterior Releasing properties in Chinese medicine so best used as a substitute in Warm Diseases, especially Damp-Warm Disease, or supplemented with increased warm Exterior Releasing herbs like those described above. |
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Bai Zhi
| 1.5-4.5g | |
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Pinyin: Bai Zhi
Chinese: 白芷
Pharmaceutical: Radix Angelicae dahuricae
Taxonomy: Angelica dahurica
English: Dahurian Angelica Root |
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Tastes: Pungent and warm
Meridians Entered: Lung, Stomach and Large Intestine |
Actions & Indications:
- Expels Wind, eliminates Dampness, unblocks the nasal passages, dispels Cold and alleviates pain
External Wind-Cold patterns, especially with headache
Supra orbital pain, nasal congestion and toothache, arthritis
Any External Wind invasion of the Yangming channels of the head with a frontal headache
- Reduces swelling, eliminates toxins and expels pus
Early-stage superficial sores, boils and carbuncles, pruritis
- Expels Dampness, alleviates discharge and treats leukorrhea and diarrhoea
Vaginal discharge due to Cold-Dampness in the Lower Jiao
- Releases the Exterior and Drives Out Snakes
Chronic inflammatory disease (Fruehauf, 2015)
One of the chief herbs for treating Gu Syndrome, along with Bo He and Zi Su Ye, classed as "open the exterior with snake killing herbs" (Fruehauf, 1998).
Also used topically for fungal infections which may explain some of its anti-Gu actions.
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Standard Dosage: 3-10g in decoction.
Cautions: It should be used with cautions for Blood Heat induced by Yin deficiency because of its pungent, fragrant, warm, dry property. |
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Gan Jiang
| 1.5-4.5g | |
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Pinyin: Gan Jiang
Chinese: 干姜
Pharmaceutical: Rhizoma Zingiberis
Taxonomy: Zingiber officinale
English: Dried Ginger |
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Tastes: Pungent, hot
Meridians Entered: Spleen, Stomach, Kidney, Heart and Lung |
Actions & Indications:
- Warms the Middle and expels Cold
External Cold affecting the Spleen and Stomach Spleen and Stomach Yang Deficiencies
- Dispels Wind-Dampness seeping into the Lower Jiao
Lower Jiao Wind-Cold-Damp Bi
- Rescues Devastated Yang and expels Interior Cold
Devastated Yang with a very weak pulse and cold limbs
- Warms the Lungs and transforms thin mucus
Lung Cold with expectoration of thin, watery or white sputum
- Warms the channels (unblocks the pulse) and stops bleeding
Haemorrhage due to Deficiency Cold, especially uterine bleeding (only if the bleeding is chronic and pale in colour with cold limbs, ashen white face and a soggy thin pulse)
- Aids fasting
Mentioned in the Shen Nong Ben Cao Jing as part of the middle class of herbs which can, with protracted taking, remove foul smell and enable one to communicate withe Spirit Light (Shen Ming 神明). 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).
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Standard Dosage: 3-10g in decoction.
Cautions: It is contraindicated for yin deficiency with internal heat and haemorrhage due to blood heat. |
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Rou Gui
| 1.5-4.5g | |
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Pinyin: Rou Gui
Chinese: 肉桂
Pharmaceutical: Cortex Cinnamomi
Taxonomy: Cinnamomum cassia
English: Cinnamon Bark |
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Tastes: Pungent, sweet, hot
Meridians Entered: Kidney, Spleen, Heart and Liver |
Actions & Indications:
- Warms the Kidneys, Spleen and Heart and strengthens Yang and Ming Men Fire
Kidney Yang Deficiency and Deficiency of Ming-Men Fire with aversion to Cold, cold limbs, weak back, impotence and urinary frequency
Spleen and Kidney Yang Deficiency with abdominal pain and Cold, reduced appetite and diarrhoea
Kidney Unable to Grasp Qi
Heart Yang Deficiency, particularly with chest Bi
- Disperses deep Cold, warms the channels, unblocks the channels and vessels and alleviates pain
Deep Cold causing Qi Stagnation or Blood Stasis with Cold in the Blood causing amenorrhea or dysmenorrhea, Cold-Damp Bi, Yin-type boils (chronic sores that are usually concave and ooze a clear fluid) and sores or abscesses that do not heal
It enters the Blood aspect and, in small amounts, enhances the Blood moving action of other substances
- Leads the Fire back to its source
Upward Floating of Deficient Yang (False Heat, True Cold or Heat Above and Cold Below) with flushed face, wheezing, severe sweating (the sweat pours out like oil), weak and cold lower extremities and a deficient and rootless pulse
Any condition with Heat in the Upper body (dry mouth, sore throat, or teeth which is worse at night) and Cold in the Lower body (Lower back pain, cold lower extremities, diarrhoea and weakness in the proximal portion of the pulse)
- Assists in the generation of Qi and Blood
Chronic Qi and Blood Deficiency (auxiliary)
- Aids fasting
Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, enable one to communicate with spirits, make the body light, and prevent forgetfulness. 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).
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Standard Dosage: 1-5g in decoction. It should be decocted later.
Cautions: It is contraindicated for syndrome of yin deficiency with fire effulgent, haemorrhage due to blood heat and pregnant women. It is incompatible with Chi Shi Zhi (nineteen incompatibilities). |
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Cang Zhu
| 3-9g | |
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Pinyin: Cang Zhu
Chinese: 蒼朮
Pharmaceutical: Rhizoma Atractylodes
Taxonomy: Atractylodes lancea seu chinensis seu japonica
English: Black Atractylodes / Gray Atractylodes / Sword-like Atractylodes root |
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Tastes: Pungent, bitter, warm
Meridians Entered: Spleen, Lung and Liver |
Actions & Indications:
- Strongly dries Dampness and tonifies the Spleen
Dampness Obstructing the Middle Jiao and blocking transformative and transportive functions of the Spleen with anorexia, diarrhoea, epigastric distention and pressure, fatigue, nausea and vomiting and a thick, greasy tongue coat
- Induces sweating and expels Wind-Dampness
Wind-Cold Dampness and Wind-Dampness with chills and fever, headache, body aches and nasal congestion
Painful extremities due to Wind-Damp Bi
- Clears Dampness from the Lower Jiao
Damp-Heat Pouring Downward with Leg Qi, some forms of atrophy disorders, vaginal discharge, swollen, sore joints
- Improves vision
Night blindness and diminished vision with a rough sensation in the eyes
- Repels Ghosts
"Strange diseases 奇病" that involve seeing ghosts
- Aids fasting
Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, make the body light, prolong life and make one free from hunger. 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).
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Standard Dosage: 5-10g in decoction.
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Hou Po
| 1.5-4.5g | |
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Pinyin: Hou Po
Chinese: 厚朴
Pharmaceutical: Cortex Magnoliae
Taxonomy: Magnolia officinalis
English: Magnolia Bark |
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Tastes: Bitter, pungent, warm
Meridians Entered: Spleen, Stomach, Lung and Large Intestine |
Actions & Indications:
- Promotes the movement of Qi in the Middle Jiao and resolves Stagnation
Abdominal, epigastric, and/or chest fullness, bloating, loss of appetite, poor digestion, constipation
Plum Pit Qi, a feeling of a lump in throat, usually considered psychosomatic today (globus hystericus). Hou Po has modern indications as neuroprotective and also features in formulas like Da/Xiao Cheng Qi Tang which deal with neuropsychiatric symptoms like delirium.
- Promotes the movement of Qi downward, dries Dampness and transforms Phlegm
Dampness or Phlegm Obstructing the Middle Jiao with distention, fullness, nausea and diarrhoea
- Descends Rebellious Qi, reduces Phlegm and calms wheezing
Cough and wheezing due to Phlegm congesting the Lungs
- Expels Wind, scatters Cold and regulates the Blood
The Shen Nong Ben Cao Jing places in the middle class of woods and says "It mainly treats Wind-stroke, Cold damage, headache, Cold and Heat, fright qi, blood Bi and dead muscles."
- Removes the Three Worms
The Shen Nong Ben Cao Jing also says that it "removes the Three Worms." These may refer to difficult to treat metabolic disorders caused by overindulgence and should be accompanied by fasting, meditation and exercise regimes.
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Standard Dosage: 3-10g in decoction.
Cautions: It should be used with cautions for the syndrome of qi deficiency and fluid consumption, and in pregnant women. Due to some of the anticoagulant effects of its constituents it should be used with caution in conjunction with blood thinners. |
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Chen Pi
| 3-9g | |
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Pinyin: Chen Pi
Chinese: 陈皮
Pharmaceutical: Pericarpium Citri Reticulatae
Taxonomy: Citrus spp.
English: Aged Tangerine Peel |
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Tastes: Pungent, bitter, warm
Meridians Entered: Spleen and Lung |
Actions & Indications:
- Regulates Qi, adjusts the Middle and relieves the diaphragm
Spleen/Stomach Qi Stagnation with epigastric or abdominal distention, fullness, bloating, belching, nausea and vomiting
- Dries Dampness and transforms Phlegm
Phlegm-Damp Obstructs the Lung with coughing, a stifling sensation in the chest and/or diaphragm and copious, viscous sputum
Turbid Damp Obstructs the Middle with a stifling sensation in the chest, abdominal distention, anorexia, fatigue, loose stools and a thick, greasy tongue coat
- Helps prevent Stagnation from tonic herbs
Tonic herbs causing Stagnation
- Descends Qi
Qi Rebellion
- Aids fasting
Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, remove foul breath, precipitate the Qi, and enable one to
communicate with spirits. 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).
- Suppresses Gu Parasites
Gu Sydnrome (Fruehauf, 1998)
Chronic inflammatory disease (Fruehauf, 2015)
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Standard Dosage: 3-10g in decoction.
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Zhi Ban Xia
| 3-9g | |
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Pinyin: Ban Xia
Chinese: 半夏
Pharmaceutical: Rhizoma Pinelliae
Taxonomy: Pinellia ternata
English: Pinellia Rhizome |
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Tastes: Pungent, warm, toxic
Meridians Entered: Lung, Spleen and Stomach |
Actions & Indications:
- Dries Dampness and transforms Phlegm
Cold-Phlegm in the Lungs (cough with copious sputum)
Especially effective for Damp-Phlegm of the Spleen (Cold-Damp Stagnation)
- Descends Rebellious Qi and stops vomiting (harmonizes the Stomach)
Vomiting due to Phlegm-Damp in the Stomach (Tan Yin), Cold thin mucus, Stomach Deficiency, Stomach Heat or pregnancy
- Dissipates nodules and reduces Stagnation (clumps)
Phlegm in the chest (nodules, pressure, distention, pain)
Phlegm nodules in the neck (goiter, scrofula)
Focal distension in the chest and epigastrium
Obstruction caused by Phlegm anywhere in the body
- Treats sores, skin ulcerations and carbuncles and reduces swelling (external)
Topically as a powder for sores, skin ulcerations and carbuncles
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Standard Dosage: 3-10g in decoction.
Cautions: Contraindicated to Wu Tou. Use with cautions during gestation.
Must be processed before use as raw Ban Xia is toxic. Ingesting the raw form can cause severe irritation of the mouth, pharynx, and gastrointestinal tracts, and has toxic effects on the nervous system. Symptoms of toxicity include a dry mouth, numbness of the tongue, gastric discomfort, burning sensations and swelling of the mouth, tongue, throat and salivation. In serious cases ingesting Ban Xia can result in hoarseness, spasms, dyspnoea and asphyxia.
Processing can be done with ginger and alum (Jiang Ban Xia) to make a warming herb best suited for Cold-Damp and thin Phlegm conditions, or with liquorice (Fa Ban Xia) to make a more neutral herb that is less drying and can be used for Damp-Heat conditions too. |
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Fu Ling
| 3-9g | |
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Pinyin: Fu Ling
Chinese: 茯苓
Pharmaceutical: Poria
Taxonomy: Poria cocos syn. Wolfiporia extensa
English: China-Root / Hoelen / Tuckahoe / Indian Bread |
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Tastes: Sweet, bland, neutral
Meridians Entered: Heart, Spleen, and Kidney |
Actions & Indications:
- Strengthens the Spleen and harmonizes the Middle Jiao
Spleen Deficiency Dampness with anorexia, diarrhoea and epigastric distention
- Strengthens the Spleen
Phlegm Dampness due to Spleen Deficiency with thin mucus in which Phlegm moves upward manifesting as palpitations, headache, dizziness and a thick, greasy tongue coat
- Promotes urination and leaches out Dampness
Urinary difficulty, diarrhoea or oedema due to Stagnation of Fluids or Dampness
- Quiets the Heart, calms the Spirit and soothes the nerves
Palpitations, insomnia or forgetfulness due to either Spleen and Heart Insufficiency or Internal Obstruction of Turbid Phlegm
- Aids fasting
Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, quiet the Hun, nourish the Shen, make one free from hunger and prolong life. 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).
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Standard Dosage: 9-15g in decoction.
Cautions: It is contraindicated for spermatorrhea due to deficiency-cold. |
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Jie Geng
| 3-9g | |
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Pinyin: Jie Geng
Chinese: 桔梗
Pharmaceutical: Radix Platycodi
English: Balloon Flower Root |
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Tastes: Bitter, pungent, neutral
Meridians Entered: Lung |
Actions & Indications:
- Opens the Lungs, spreads Lung Qi, expels Phlegm and benefits the throat
Cough due to Wind-Cold or Wind-Heat (with profuse sputum, sore throat, loss of voice)
Loss of voice or sore throat due to external Heat, Phlegm Heat or Yin Deficiency Heat
- Expels pus
Lung or throat abscess (Phlegm and Qi Stagnation) with fevers, chest pain, coughing of yellow sputum with a fishy smell and hemoptysis
- Opens and raises Lung Qi, directing the effects of other herbs to the upper body
Reinforces the actions of the other herbs and focuses the formula on the upper body
- Expels Gu Toxins
Vomiting blood due to Gu-Toxins (with Gan Cao; in the Soushen Ji, Record of Searching for Spirits; Wilcox, 2024).
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Standard Dosage: 3-10g in decoction.
Cautions: Overdose can cause nausea and vomiting. |
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Zhi Ke
| 1.5-4.5g | |
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Pinyin: Zhi Ke
Chinese: 枳壳
Pharmaceutical: Fructus Aurantii
Taxonomy: Citrus aurantium
English: Seville Orange / Bitter Orange / Sour Orange |
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Tastes: Bitter, pungent, sore and slightly cold
Meridians Entered: Spleen and Stomach |
Actions & Indications:
- Promotes the movement of Qi, reduces distention and pressure and resolves hardenings
Qi Stagnation and accumulation (especially in weak or deficient patients)
- Removes stagnated food
Food Stagnation
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Standard Dosage: 3-10g in decoction.
Cautions: Used with caution for pregnant women. |
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Dang Gui
| 1.5-4.5g | |
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Pinyin: Dang Gui
Chinese: 當歸
Pharmaceutical: Radix Angelicae sinensis
Taxonomy: Angelica sinensis
English: Chinese Angelica Root / Tang-Kuei / Dong Quai Root |
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Tastes: Sweet, Pungent, Warm
Meridians Entered: Heart and Liver |
Actions & Indications:
- Tonifies the Blood and regulates the menses
Blood Deficiency, especially when affecting the Heart and Liver with pale, ashen complexion, lusterless nails, tinnitus, blurred vision and palpitations
Blood Deficiency associated irregular menstruation, amenorrhea and dysmenorrhea
- Invigorates and harmonizes the Blood and disperses Cold (stops pain due to Blood Stasis)
Blood Stasis causing abdominal pain and carbuncles and pain due to Blood Stasis from traumatic injury, especially when accompanied by Deficiency Cold
Postpartum menstruation
Pregnancy (use with caution)
Blood Deficiency with chronic Wind-Damp-Bi
- Moistens the Intestines and unblocks the bowels
Dry Intestines due to Blood Deficiency
- Reduces swelling, expels pus, generates flesh and alleviates pain
Sores and abscess (Chuang Yung), internally and topically
- Stops coughing and treats dyspnea
Used adjunctively for coughing
- Tonifies the Blood while suppressing Parasites
Gu Sydnrome (Fruehauf, 1998)
Chronic inflammatory disease (Fruehauf, 2015)
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Standard Dosage: 6-12g in decoction.
Cautions: It is contraindicated in cases of Damp-Heat stagnating in the Middle, Lung Heat with Phlegm Fire, and Yin deficiency with effulgent Yang because it is warm and sweet in properties. In addition, it should be used with caution in cases of loose stool because it can moisten intestines to smooth stool.
Many sources recommend using caution, avoiding or only taking under guidance of a TCM physician during pregnancy as it can cause uterine contractions. However, there are no studies supporting this and the only scientific literature seems to suggest that Z-Ligustilide has anti-spasmodic activities that alleviate dysmenorrhoea by inhibiting uterine contractions (Du et al., 2006; Dietz et al., 2016).
Caution is also advised in breast cancer patients due to its oestrogen stimulating activity. This based upon Lau et al (2005) who found it may stimulate breast cancer growth in vitro, however Yue et al, (2019) demonstrated that it is not that stimulatory in breast cancer both in vitro and in vivo through a series of tests, although they suggested it should still be used with caution in estrogen receptor-positive breast cancer. Conversely, a large population study in Taiwan by Wu et al (2014) found it reduced the subsequent risk of endometrial cancer in breast cancer survivors taking tamoxifen, especially in those of reproductive age. |
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Bai Shao
| 1.5-4.5g | |
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Pinyin: Bai Shao
Chinese: 白芍
Pharmaceutical: Radix Paeoniae Alba
Taxonomy: Paeonia lactiflora
English: White Peony Root |
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Tastes: Bitter, sour, sweet, slightly cold
Meridians Entered: Spleen and Liver |
Actions & Indications:
- 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
- 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
- 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
- Softens the Liver and relieves pain
Diarrhoea, borborygmus and abdominal pain
Dysenteric disorders with tenesmus
- Eliminates Evil Qi, breaks up Blood Stasis, disperses accumulations and fortifies Qi
The Shen Nong Ben Cao Jing places this in the middle class of herbs and says that "It mainly treats Evil Qi and abdominal pain, eliminates blood impediment, breaks hard gatherings and cold and heat mounting conglomeration, relieves pain, disinhibits urination, and boosts the qi.
- Tonifies the Blood while suppressing Parasites
Gu Sydnrome (Fruehauf, 1998)
Chronic inflammatory disease (Fruehauf, 2015)
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Standard Dosage: 10-30g in decoction.
Cautions: Caution with anticoagulants as it may slow clotting time. May also slow the absorption of phenytoin. |
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Chuan Xiong
| 1.5-4.5g | |
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Pinyin: Chuan Xiong
Chinese: 川芎
Pharmaceutical: Rhizoma Ligusticum
Taxonomy: Ligusticum chuanxiong syn. striatum syn. wallichii
English: Sichuan Lovage root / Cnidium root |
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Tastes: Pungent, warm
Meridians Entered: Liver and Pericardium |
Actions & Indications:
- Invigorates the Blood and promotes the movement of Qi
Blood Stasis, especially in gynecology with dysmenorrhea, amenorrhea, difficult labor or retained lochia
Qi and Blood Stagnation with pain and soreness in the chest, flanks and hypochondria
- Expels Wind and alleviates pain
Externally contracted Wind with headache, dizziness or painful obstruction (Bi Syndrome) - especially useful for headaches due to Wind-Heat, Wind-Cold or Blood Deficiency (depending on the combination)
Wind skin disorders
- Relieves the symptoms of Gu Syndrome while suppressing parasites (Fruehauf, 1998)
Chronic inflammatory disease (Fruehauf, 2015)
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Standard Dosage: 3-10g in decoction.
Cautions: It is contraindicated for headache due to Liver Yang rising or Yin deficiency with effulgent Fire because of its warm and dry properties.
Use with caution during pregnancy or in those who bruise or bleed easily.
May have synergistic effects in those taking anticoagulant drugs. |
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Gan Cao
| 1.5-4.5g | | |
Pinyin: Gan Cao
Chinese: 甘草
Pharmaceutical: Radix Glycyrrhizae
Taxonomy: Glycyrrhiza uralensis seu glabra seu inflata
English: Liquorice Root |
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Tastes: Sweet, slightly cold
Meridians Entered: Heart, Lung and Spleen (and all 12 meridians) |
Actions & Indications:
- Tonifies the Spleen and augments Qi
Spleen Qi Deficiency with shortness of breath, lassitude and loose stools
Qi and Blood Deficiency with an irregular pulse and/or palpitations
Heart Qi Deficiency or Heart Yang Deficiency
- Moistens the Lungs, resolves Phlegm and stops coughing
Lung Heat or Cold
Productive or non-productive coughing
- Moderates spasms and alleviates pain
Painful muscle spasms of the abdomen and legs
- Clears Heat and relieves Fire Toxicity
Raw for Toxic Heat with sore throat or carbuncles and sores (Chuang Yung)
- Antidote for many toxic substances (internal and topical)
Poisoning
Bites (after washing the wound, chew Gan Cao and apply a thick layer on the bite wound, changing whenever it dries out; Bao Xiang-Ao, 1846, New Compilation of Proven Formulas)
- Moderates and harmonizes the harsh properties of other herbs and guides the herbs to all twelve channels
Often added in small doses to harmonise formulas
- Tonifies the Qi while suppressing Parasites
Gu Sydnrome (Fruehauf, 1998)
Chronic inflammatory disease (Fruehauf, 2015)
- Aids fasting
Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, make the body light and prolong life. 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).
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Standard Dosage: Typically 1.5-9g in decoction. Large doses can be up 30g.
Cautions: It is contraindicated for combining with Hai Zao, Da Ji, Gan Sui and Yuan Hua because of "eighteen antagonisms". It is also contraindicated in cases of dampness obstruction in middle energizer and edema because it can help dampness obstruct qi, and it is prohibited from long-term usage in large dosage (more than 20g/day) and should be avoided or used with extreme caution in patients with high blood pressure because it may raise aldosterone levels in the blood causing retention of sodium.
The NHS recommends avoiding during pregnancy. |
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