The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
Because it is a key herb in Xi Jiao Di Huang Tang, a herbal formula indicated to treat the pattern '' (a pattern with arthritic symptoms as a symptom)
Its main actions are: Cools the Blood, drains Fire and stops reckless movement of Blood. Clears Heat and Fire and stops tremors and convulsions. Cools Fire and expels toxins.