Evidence supporting the use of: Fang-Feng
For the health condition: Poison Ivy or Oak

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Fang-Feng (Saposhnikovia divaricata) is a traditional Chinese medicinal herb commonly used for its purported ability to dispel "wind" and alleviate symptoms such as itching, spasms, and certain skin conditions. Its application in the context of poison ivy or poison oak exposure is primarily based on traditional Chinese medicine (TCM) principles, where it is used to treat "wind-damp" conditions manifesting as skin rashes, itching, and inflammation. There is a historical precedent for using Fang-Feng in herbal formulas targeting pruritic (itchy) skin eruptions, which share symptomatic similarities to allergic contact dermatitis caused by poison ivy or oak. However, there is little to no direct scientific evidence specifically validating Fang-Feng's efficacy against urushiol-induced dermatitis (the allergic reaction caused by poison ivy/oak). Existing research focuses more broadly on its anti-inflammatory and immunomodulatory properties, mostly in animal or in vitro models, but these findings have not been robustly translated into clinical practice or tested specifically for poison ivy/oak reactions. Thus, its use for this condition remains grounded in tradition rather than scientific validation.

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