eczema usually begins in childhood and though, it is mostly seen in young people, eczema can be a problem for adults as well. Eczema is considered an atopic dermatitis. According to western medicine dermatitis is a result of contact with a specific irritant. This definition is rather narrow for eczema as it may flair up without coming in contact with an irritant or allergen and may be a result of internal influences. According to Chinese tradition, low kidney Qi is an important factor in eczema. In addition, eczema can be irritated by phlegm producing foods such as dairy products. The health and balance of the liver, lungs and spleen also appear to influence eczema. Pi fu bing xue du wan is a formula used in Chinese medicine to treat eczema and to reduce the likelihood of future outbreaks.

Traditional thought suggests that the spleen and lungs work closely together. While the spleen produces blood and phlegm, it is the lungs that store them both. If there is an imbalance here the lungs can become bogged down with phlegm. This can lead to a damp condition with excessive heat and poor blood circulation to the skin. Eczema is extremely irritating especially for young children. In fact, the itching and irritation often leads children to scratching the irritated spots until they draw blood. Pi fu bing xue du wan combines herbs and roots to treat the underlying causes of eczema such as heat, dampness and phlegm, but also provides soothing relief from the irritation of eczema.

One example of the beneficial ingredients in Pi fu bing xue du wan is the Forsythia fruit (Fructus forsythiae.) This fruit is used to clear away excessive heat. In addition, it is reputed to help the body eliminate toxins and reduce inflammation. It has long been used to treat sores as well. In the first, acute stages of eczema there is often inflammation, oozing sores, forsythia is soothing and healing for this condition. Honeysuckle flower (Flos lonicerae) another ingredient in Pi fu bing du wan, is cold in nature and helps to clear away heat outward. It also disperses wind and in the process helps to detoxify the system. Its influence is strong in the lungs, and stomach. Honeysuckle is frequently paired, as it is in Pi fu bing du wan, for these purposes.

Another key ingredient in Pi fu bing du wan that is beneficial for Pi fu bing xue du wan-Eczema is Platycodon Root (Radix Platycodi). This root acts on the lungs. The lungs are frequently considered as the primary influence on skin health. Platycodon reduces phlegm and also used to get rid of pus. It is also thought to be good for promoting the unobstructed flow of Qi so crucial in eczema. Pi fu bing du wan is popular in Chinese traditional medicine for it ability to reduce heat conditions in the lungs, spleen, stomach and blood. It is effective to improve circulation and reduce inflammation and it provides soothing comfort to those who suffer with eczema.