The TCM herb "yin yang huo" which in english is "arial parts of epimedium, horny goat weed", is categorized within the "herbs that tonify yang" functional grouping. It is thought to enter the kidney and liver channels and exhibits acrid, sweet (gan) 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:
Of many possible clinical applications, it may be considered to influence the following issues/symptoms:
Yin Yang Huo may potentially be used, in coordination with a well tailored formula (in most cases), to influence the following conditions: back pain, dizziness (vertigo), impotence (erectile dysfunction), knee pain, memory problems, numbness and/or spermatorrhea
While it may not always be included depending on the manufacturer or herbalist making the formula, yin yang huo is generally included in the following 4 formulas:
Kidney Yin and Kidney Yang deficiencies with Empty Heat - hormonal issues such as menopause (possibly w/hypertension), amenorrhea, hot flashes along with associated symptoms of fatigue, depression, i…
Infertility, history of miscarriage due to blood deficiency and/or cold in the lower jiao from kidney yang deficiency. Irregular menstruation. Lower abdominal pain, lower back pain, uterine and/or …
Damp and Cold bi-syndromes - arthritis (osteo primarily), joint pain, muscles aches that is aggravated with cold and/or damp weather - weakness of the knee, pain in lower back, general weakness, pain…
As noted above, yin yang huo is within the herbs that tonify yang functional group. All the herbs in this category are listed below.
(truncated intro "... symptoms: fear of cold, cold extremities, sore and weak lower back and lower extremities, pale tongue and a deep and weak pulse. impotence, spermatorrhea, watery vaginal discharge, infertility, enuresis, polyuria, wheezing, dayb…)".