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.
The top herbs in Ma Huang Tang are Ephedra (Ma Huang), Cinnamon Twigs (Gui Zhi) and Apricot Seeds (Xing Ren)
Source date: 220 AD
Number of ingredients: 4 herbs
Key actions: Releases exterior cold. Treats wheezing.
Ma Huang Tang has sometimes been used by TCM professionals to alleviate the symptoms of chilblains
Read more about Ma Huang Tang here