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 Fei Er Wan are Quisqualis Fruits (Shi Jun Zi), Areca Nuts (Bing Lang) and Goldthread Rhizomes (Huang Lian)
Source date: 1156 AD
Number of ingredients: 8 herbs
Key actions: Kills parasites. Reduces accumulation. Strengthens the Spleen. Clears Heat.
Fei Er Wan has sometimes been used by TCM professionals to alleviate the symptoms of chronic indigestion in children