The TCM herb "guan zhong" which in english is "dryopteris root", is categorized within the "herbs that expel parasites" functional grouping. It is thought to enter the liver and spleen 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:
As noted above, guan zhong is within the herbs that expel parasites functional group. All the herbs in this category are listed below.
(truncated intro "... herbs in this category are used to remove a variety of parasites and associated symptoms. roundworms, tapeworms, hookworms para-umbilical pain, vomiting, change in appetite or deranged appetite, itching in rectum, nose, and/or ears, emaci…)".