A commonly seen presentation in wheezing and panting is the contraction of an external pathogenic factor with simultaneous retention of phlegm-rheum. In patients who are constitutionally predisposed to phlegm-damp retention, usually the initial attack by an external factor will stir the interior phlegm which will counterflow into the lung, invariably causing the wheezing and panting. This pattern is mentioned in the Shang Han Lun, where it states:
“In cold damage where the exterior is unresolved, (and) there is water qi below the heart….”
In these cases treatment generally involves, effusion to resolve the exterior, with simultaneous warm transformation of fluids. The various manifestations of this condition can be treated with the following prescriptions:
She Gan Ma Huang Tang: (Belamcanda and Ephedra Decoction)
Main signs: Aversion to cold, generalized body pain, copious phlegm, and the sound of phlegm in the back of the throat. If this pattern is accompanied by signs such as a dry mouth, dry tongue, and heart vexation, Sheng Shi Gao may be added.
Xiao Qing Long Tang: (Minor Blue-Green Dragon Decoction)
Main signs: Aversion to cold, generalized body pain, an absence of sweating, coughing with a need to rest and lean up against something, yet unable to lie down. (This is normally due to the presence of copious phlegm), severe coughing with frothy phlegm. If this is accompanied by signs such as a dry throat, vexation and agitation, Sheng Shi Gao may be added.
Ge Gen He Xiao Xian Xiong Tang: (Minor Sinking into the Chest Decoction with Pueraria)
Main signs: Hypertonic back and nape, chest fullness, oppression or pain, heat effusion, aversion to cold and panting. If heart vexation is quite obvious, then Sheng Shi Gao may be added.
Ling Gan Wu Wei Jiang Xin Xia Xing Tang: (Poria, Licorice, Schisandra, Ginger, Asarum, Pinellia and Apricot Seed Decoction)
Main signs: Coughing, panting with chest fullness, spitting up of frothy phlegm and a normal taste in the mouth.
Ma Huang Fu Zi Xi Xin Tang: (Ephedra, Asarum and Prepared Aconite Decoction)
Main signs: Aversion to cold, absence of sweating, perhaps an aversion to cold felt in the back, counterflow cold of the extremities, a fatigued spirit, and a deep-thin pulse.
Patterns where blood stasis is the primary cause of wheezing and panting.
Originally when blood stasis is laying dormant in the interior, any changes caused by external contraction, food damage or damage from the seven affects will induce and entice the movement of blood stasis which will eventually invade the liver and lungs and cause wheezing and panting. If this stasis is not eliminated than the wheezing and panting will endure and recovery would be difficult to achieve. Therefore many cases of wheezing and panting due to cold, or summer-heat that fail to resolve, usually contain elements of static blood. The following are a couple formulas that can effectively treat these presentations.
Da Chai Hu Tang He Gui Zhi Fu Ling Wan (Major Bupleurum Decoction combined with Cinnamon Twig and Poria Pill)
Main signs: Chest and rib-side bitter fullness, difficulty breathing, hypertonic epigastrium, bitter taste in the mouth, dry throat, and dry bowel movements.
Da Chai Hu Tang He Tao He Cheng Qi Tang (Major Bupleurum Decoction combined with Peach Pit Decoction to Order the Qi)
Main signs: Similar symptoms to the above, with the addition of abdominal distension and fullness, and difficult bowel movements.
Modifications to the above formulas:
With signs of dry mouth, throat or tongue, vexation, agitation and/or vexation thirst, add Sheng Shi Gao
With signs of external contraction with symptoms of heat effusion, aversion to cold and an absence of sweating, combine with Ge Gen Tang.
With signs of sweating and significant wheezing, combine with Ma Xing Shi Gan Tang
Patterns where both phlegm-rheum and blood stasis are the primary cause
If for example our patient presents with a Xiao Qing Long Tang presentation with elements and signs of Da Chai Hu Tang He Gui Zhi Fu Ling Wan, then these three formulas may be combined.
With difficult bowel movements it is easy to see signs of either Gui Zhi Fu Ling Wan or Tao He Cheng Qi Tang. If in this case a She Gan Ma Huang Tang presentation exists, then the combination of these formulas would be applicable.
If signs of mouth or tongue dryness, or vexation and agitation are seen with the above formulas, then Sheng Shi Gao may be added.
Why Da Chai Hu Tang?
Dr Hu explained that many patients presenting with wheezing and/or panting manifest a Shao-Yang, Yang-Ming combination disease. Therefore, the cardinal Shang Han Lun formula Da Chai Hu Tang (Major Buplureum Decoction) may be used with quite astonishing results. Many of Dr. Hu’s students would often ask him why when treating wheezing he wouldn’t just use Ma Huang (Radix Ephedra)? He would simply state that unless the case presenting was a Ma Huang pattern, its use was not warranted. In the Shang Han Lun (On Cold damage) it states that “In wheezing with chest fullness, Ma Huang is appropriate, but in wheezing with abdominal fullness, Ma Huang should not be used”.
Dr. Hu would explain that in order to diagnose a Shao-Yang Yang-Ming case of wheezing and panting, we need to look for symptoms such as; wheezing and panting with occasional chest fullness, rib-side pain, sweating, dry throat, dry bowel movements, etc.