The TCM herb "bian xu" which in english is "knotweed, polygonoum", is categorized within the "herbs that drain dampness" functional grouping. It is thought to enter the urinary bladder 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:
Of many possible clinical applications, it may be considered to influence the following issues/symptoms:
While it may not always be included depending on the manufacturer or herbalist making the formula, bian xu is generally included in the following 2 formulas:
Clearing damp heat in the lower warmer, particularly with underlying blood deficiency - vaginal disharge, vaginal itching, vaginal inflammation along with constipation, possibly anemia, low back pain…
As noted above, bian xu is within the herbs that drain dampness functional group. All the herbs in this category are listed below.
(truncated intro "... there are two main types of dampness: accumulation of fluids in the body - edema, congested fluids (respiratory and digestive system). these herbs are good for edema below the wais…)".