Jiang Can - Silkworm

TCM Materia Medica

Jiang Can TCM Herb Classifications and Usages

The TCM herb "jiang can" which in english is "silkworm", is categorized within the "herbs that extinguish wind and stop tremors" functional grouping. It is thought to enter the liver and lung channels and exhibits acrid, neutral (ping) and salty (xian) 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:

  • Extinguishes liver wind, stops spasms and convulsions - childhood convulsions or facial paralysis, seizures from liver-wind or wind-phlegm-heat.
  • Expels wind, stops pain - headache, red eyes, sore, swollen throat from an OPI or liver wind, loss of voice.
  • Transforms phlegm, dissipates nodules - phlegm-heat scrofula and other phlegm nodules.
  • Expels wind and stops itching.

While it may not always be included depending on the manufacturer or herbalist making the formula, jiang can is generally included in the following 3 formulas:

ViewHui Chun Wan (Recovery Special Pill)

Most often used for childhood convulsions (possibly with wheezing, nausea, nighttime crying, vomiting, diarrhea, excessive mucus/saliva) or other conditions that involve fever, impaired or loss of …

ViewPu Ji Xiao Du Wan (Universal Benefit Decoction To Eliminate Toxin)

Acute febrile disorder (wind-heat & damp-phlegm) of the head - strong fever and chills, burning pain of head and face, red and/or swollen eyes, sore throat, aversion to cold, dryness, thirst.  …

ViewZhong Feng Hui Chun Wan (Stroke Recovery Pills)

Bell's Palsy, facial paralysis, slurry of speech, difficulty swallowing. Stroke, Transient Ischemic Attack.

As noted above, jiang can is within the herbs that extinguish wind and stop tremors functional group. All the herbs in this category are listed below.

(truncated intro "... for internal wind. results from liver and kidney imbalances - yin deficiency, ascendant liver yang, blood deficiency, high fevers. symptoms: headache, dizziness, blurred vision, tinnitus, irritability, vomiting, palpitations with anxiety…)".

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