Zi Wan - Purple Aster Root

TCM Materia Medica

Zi Wan TCM Herb Classifications and Usages

The TCM herb "zi wan" which in english is Zi Wan herb"purple aster root", is categorized within the "herbs that relieve coughing and wheezing" functional grouping. It is thought to enter the lung channels and exhibits bitter (ku) and warm (wen) taste/temperature properties.

Dosages and preparations will vary according to each individual and the overall approach of a formula, but generally this herb has the following dosage and/or preparation guidelines:

  • Dosage: 3-9g

Of many possible clinical applications, it may be considered to influence the following issues/symptoms:

  • Relieves cough and expels phlegm - important herb for stopping coughs of various etiologies, especially chronic, cold induced cough with copious sputum that is difficult to expectorate, or of blood streaked sputum.
  • Frying in honey enhances the moistening function of the lungs and stops cough.

Our clinical staff have made the following notes, regarding zi wan:

Zi Wan may potentially be used, in coordination with a well tailored formula (in most cases), to influence the following conditions: cough

As noted above, zi wan is within the herbs that relieve coughing and wheezing functional group. All the herbs in this category are listed below.

(truncated intro "... generally useful for symptoms involving coughing and wheezing. often combined with other herbs to treat the overall pattern (root). )".

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