The classical Chinese medical system views health and disease through the 鈥渆ight-principle and six-syndrome鈥� differentiation methods. In ancient times, Chinese medical experts identified groups of symptoms as patterns, and associated them with specific formulas. Eventually, with repeated clinical success they recorded these patterns as 鈥渇ormula patterns鈥�. Later, during the Eastern Han Dynasty between 40 to 200 AD, Zhang Zhongjing recorded all of this clinical experience handed down from generations in theShang Han Za Bing Lun (Treatise on Cold Damage and Miscellaneous Diseases), which was later edited and separated into the Shang Han Lun (Treatise on Cold Damage) and the Jin Gui Yao L眉e (Essentials from the Golden Cabinet). These classics illustrate the appropriate clinical application for a group of symptoms with a corresponding formula as well as suggest modifications according to the change of the disease. This medical legacy from Zhang Zhongjing is clearly a gem for Chinese medicine clinicians. The only two major issues we鈥檝e had since then are maintaining these classics, keeping them intact while understanding them correctly and using them effectively in clinic.
Introduction to Classical Chinese Medicine and the Shang Han Lun
To begin to understand the philosophy and clinical approach of classical thinking, we must open our minds to a different way of viewing health and diseases. In China, there is a clear difference between the Chinese medical practitioners that use the traditional Chinese medicine (TCM)聽zang fu聽approach in their practice, and the ones that use 鈥減ure鈥漜lassical thinking.聽Both Dr. Hu Xi Shu and Professor Feng Shi Lun, like many other classical masters, have spent their lives researching and developing the understanding of the聽Shang Han Lun (Treatise on Cold Damage)and聽Jin Gui Yao L眉e(Essentials from the Golden Cabinet)聽and have been praised for clinical success.
Classical Chinese physicians who treat diseases according to classical thinking must identify which syndrome or syndromes have been affected by the pathogens within the 鈥渟ix-syndrome identification system鈥�. Knowing the affected syndrome, or combination of syndromes, will lead directly to a group of classical formulas. Practitioners then need to identify the appropriate鈥渇ormula pattern鈥�, while making the necessary modifications to the ingredients and dosages according to the symptoms.
Understanding the Six Syndromes in Classical Chinese Medicine
The six syndromes have been mentioned many times within the Chinese medical system. However, historically, the six syndromes of the聽Shang Han Lun (Treatise on Cold Damage)聽have been directly linked and associated to the meridian system. This is an incorrect understanding of the classical medical system of Jing Fang (classical medicine). It has also created deep confusion and misguided uses of the classical formulas. Here is a short summary of the main symptoms related to the six syndromes according to the classical system:
- Tai Yang (exterior yang) Syndrome: the disease is located on the external layer of the body, with symptoms of chills, fever, stiffness of the neck and shoulders, pain in the joints, skin diseases, pathogenic qi moving upward causing headaches and dizziness with a floating pulse.
- Yang Ming (interior yang) Syndrome: the disease is characterized by an internal excess heat condition, a fever without chills, a distended abdomen, constipation, and a rapid, big pulse.
- Shao Yang (half-exterior half-interior yang) Syndrome: is located in the chest and abdominal areas, with chest fullness and discomfort, dryness of the mouth with a bitter taste, heat sensation in the upper and cold sensation in the lower, alternating chills and fever with a wiry pulse.
- Shao Yin (exterior yin) Syndrome: the pathogen is located in the exterior layer with a deficiency of body fluids causing the symptoms of aversion to cold without fever, sweating, headache, anxiety, drowsiness, lethargy, chills, cold extremities, joint, and body pain with a deep and constrained pulse.
- Tai Yin (interior yin) Syndrome: the pathogen is located in the internal areas of the body with a retention of internal rheum, causing symptoms of severe internal cold or heaviness, especially in the abdominal area, chills, no sweat, thirst with no desire to drink, or vomiting after drinking, with a distended abdomen with occasional pain, diarrhea, or loose stools.
- Jue Yin (half-exterior half-interior yin) Syndrome: the symptoms affect multiple-organs and include thirst, difficult urination, vague or slight heat sensation in the upper, mouth ulcers, and facial acne, with a severe sensation of cold in the lower limbs or lower abdomen, severe diarrhea, weakness, and lethargy with a deep, weak pulse.
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Identifying and Treating Fever with Classical Formulas
With this short summary of the six syndromes we can see that the symptoms of 鈥渇ever鈥�, or 鈥渉ot sensation of the body鈥� are often mentioned in theShang Han Lun (Treatise on Cold Damage),particularly聽in clauses pertaining to the external Tai yang syndromes, the internal Yang ming syndromes, and the half-exterior half-interior yang or yin syndromes.聽One cannot completely identify a syndrome by having only one symptom. It is the combination of symptoms that will demonstrate the full syndrome and show us the location of the pathogen in the body. Once the appropriate syndrome is identified, a practitioner will be guided to the pertinent group of聽formula patterns.
If the pathogen is located in the Tai yang syndrome, it is located on the external yang layer so we will need to promote sweating with formula patterns from either theMa Huang Tang (Ephedra Decoction)聽group formulas, or the聽Gui Zhi Tang (Cinnamon Twig Decoction)聽group formulas such as聽Ma Huang Tang(Ephedra Decoction),聽Da Qing Long Tang (Major Green Dragon Decoction),聽and聽Gui Zhi Tang (Cinnamon Twig Decoction). However, if the fever is caused by a pathogen located in the Yang Ming syndrome, it is due to an internal yang pattern and we will need to dredge and clear internal heat or promote vomiting, depending if the pathogen is located in the lower, middle, or upper Yang ming syndrome by using formulas such as聽Da Cheng Qi Tang (Major Purgative Decoction),聽Bai Hu Tang (White Tiger Decoction), and聽Gua Di San (Melon Stalk Powder). On the other hand, if we evaluate that the fever is related to a pathogen located in the half-exterior, half-interior yang layer of the Shao yang syndrome, then we will need to harmonize and clear the upper as well and warm the middle with formula patterns such as聽Xiao Chai Hu Tang (Minor Bupleurum Decoction),聽Huang Qin Tang (Scutellaria Decoction), and聽Jie Geng Tang (Platycodon Decoction). Lastly, if we have some heat sensation of the body in the upper with vertigo, hot flashes, dryness of the eyes and mouth, accompanied with severe cold sensation in the lower limbs and lower abdomen, this is related to the half-exterior half-interior layer of the Jue yin syndrome. Formula patterns to treat the Jue yin syndrome include聽Wu Mei wan (Mume Pill),聽Gan Cao Xie Xin tang (Licorice Heart-Draining Decoction), and聽Chai Hu Gui Zhi Gan Jiang Tang (Bupleurum, Cinnamon Twig, and Dried Ginger Decoction).
Formula patterns are the key to achieving clinical success with Jing Fang (Classical Formulas).聽Each of the formula patterns has been identified to treat one or multiple syndromes at once. However, these formula patterns have a very sensitive symbiosis and balance between each of the ingredients and their ratio. Any addition or subtraction results in a completely different formula pattern. In this sense, any changes made to the original formula deserve serious consideration.
Case Studies: Practical Applications of Jing Fang in Clinical Practice
Let鈥檚 observe a few case studies to fully understand the application of the Jing Fang approach to clinical practice.
Clinical Case #1:聽Mr. Feng, 10 years old
1st consultation: September 24th, 2009
The patient presented with fever between 39- 39.5聽鈩僿hich had lasted over 2 days and was increasingly worse by the hour, with sweating, low consciousness, no desire to speak, dry mouth, a desire to drink and only eat watermelon. His temperature that night at 7pm was 39.4鈩僿ith a greasy white tongue coating and a wiry and slippery pulse.
Six Syndrome Differentiation:聽Yang ming syndrome
Formula Pattern:Bai Hu Jia Ren Shen聽Cang Zhu聽(White Tiger Decoction plus Ginseng聽and Atractylodis) Formula pattern
Ingredients:Sheng Shi Gao (Gypsum Fibrosum)聽100g,聽Zhi Mu (Rhizoma Anemarrhenae)聽15g,聽Zhi Gan Cao (Radix et Rhizoma Glycyrrhizae Praeparata cum Melle)聽6g,聽Cang Zhu (Rhizoma聽Atractylodis)聽10g,聽Ren Shen (Radix et Rhizoma Ginseng)10g, a pinch of rice.
搁别蝉耻濒迟蝉:听The 1st dose was given at 8pm and the fever decreased to 38.8鈩僡fter one hour. The patient had no fever the next morning. Since there was a cough with scanty phlegm,聽Ban Xia Hou Po Tang (Pinellia and Officinal Magnolia Bark Decoction)聽Modified was given for two days. All symptoms resolved.
Analysis: The patient was administered聽Bai Hu Tang聽(White Tiger Decoction)聽since he suffered from the 鈥�4 bigs鈥�: heat, fever, large pulse, thirst and sweating. In this case,聽Ren Shen(Radix et Rhizoma Ginseng)聽was added to support the function of the body in creating body fluid. After such excessive sweating, the patient had a severe fluid deficiency, which needed to be addressed. On the other hand,聽Cang Zhu (Rhizoma聽Atractylodis)聽was also added because of the greasy tongue coating and the inability to process fluids.
Note: The 10 year old patient was administered 100g of Sheng聽Shi Gao (Gypsum Fibrosum),聽which is well beyond the recommended dosage of 15g. The temperature of聽Sheng Shi Gao (Gypsum Fibrosum)聽is extremely cold and can affect the functions of the stomach. However, in this case, the boy was given one dose before he had a reaction and started sweating. One hour later the fever was already starting to decrease so the other dose was not administered.
Clinical Case #2:聽Mr. Sun, 2 years old
1st consultation: November 24th, 2013
The boy caught a cold and suffered from a fever for 10 days. He had taken antibiotics with no results. He now presented with symptoms of cough, sticky phlegm, wheezing, shortness of breath, abdominal fullness, loose stools, hot sensation of the hands and feet, a white and greasy tongue coating, and a wiry and rapid pulse.
Six Syndrome Differentiation:聽Three Yang syndrome with internal phlegm dampness retention. (Tai Yang, Yang Ming, Shao Yang Tai Yin Concurrent pattern)
Formula Pattern:聽Xiao Chai Hu plus Sheng Shi Gao and Ban Xia Hou Po Tang
(Minor Bupleurum plus聽Gypsum, Pinellia, Officinal Magnolia Bark Decoction)
Ingredients:Chai Hu (Radix Bupleuri)聽24g, Ban Xia聽(Rhizoma Pinelliae)聽12g,聽Dang Shen (Radix Codonopsis)聽10g,聽Huang Qin (Radix Scutellariae)聽10g,聽Sheng Jiang (Rhizoma Zingiberis Recens)聽10g,聽Da Zao (Fructus Jujubae)聽4 pieces,聽Sheng Shi Gao (Gypsum Fibrosum)聽45g,聽Zhi Gan Cao (Radix et Rhizoma Glycyrrhizae Praeparata cum Melle)聽6g,聽Hou Po (Cortex Magnoliae Officinalis)聽10g,聽Su Zi (Fructus Perillae)聽10g,聽Fu Ling (Poria Cocos)聽12g.
Results:聽The decoction was prepared once and separated in two portions. After taking the 1st portion, the patient experienced some sweating and the fever decreased. The cough reduced and the shortness of breath and abdominal fullness resolved. Since the patient had a cough with scanty phlegm, Ban Xia Hou Po Tang Modified was given for two days and all symptoms resolved.
Analysis:聽In this case, we notice that the amount of聽Chai Hu (Radix Bupleuri)聽is double the traditional amount due to the high fever. Giving the lower dosage of Chai Hu would be less effective in cases of high fever.
When it comes to treating children, the syndromes are usually acute and their symptoms change very quickly, so it鈥檚 often appropriate to give one day of decoction taken over the course of two days while paying close attention to the changes in the symptoms. Once the symptoms change, we need to change the formula.
Classical medicine and Chinese medicine often have a reputation for successfully treating chronic diseases. But as we see clearly in this case, results can be achieved in one dose with the appropriate diagnosis and the correct formula pattern. Correctly applying the wisdom of the classical medicine is a refined skill that is not only fascinating, but extremely effective.
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