Ban Lan Gen - Woad Root, Isatis Root
TCM Materia Medica
Ban Lan Gen TCM Herb Classifications and Usages
The TCM herb "ban lan gen" which in english is 
"woad root, isatis root", is categorized within the "herbs that clear heat and relieve toxicity" functional grouping. It is thought to enter the heart, lung and stomach channels and exhibits bitter (ku) and cold (han) 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: 15-30g
Of many possible clinical applications, it may be considered to influence the following issues/symptoms:
- Drains heat, relieves fire toxicity, cools the blood and benefits the throat - warm-febrile disease, mumps, painful swollen throat.
- Damp-heat jaundice.
Ban Lan Gen may potentially be used, in coordination with a well tailored formula (in most cases), to influence the following conditions: jaundice and/or mumps
While it may not always be included depending on the manufacturer or herbalist making the formula, ban lan gen is generally included in the following 2 formulas:
ViewFu Fang Qing Dai Wan (Indigo Combo Pills)
Itching, rashes, general skin irritation especially of the type that moves around or is intermittent. Insect bites, allergic contact dermatitis, poison ivy/oak/sumac, sun burn.
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. …
As noted above, ban lan gen is within the herbs that clear heat and relieve toxicity functional group. All the herbs in this category are listed below.
(truncated intro "... toxins for the purpose of this categorization means fevers and other adverse effects of infectious diseases where patients are clinically sick. )".
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