Evidence supporting the use of: Rhus glabra
For the health condition: Poison Ivy or Oak

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Synopsis

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

Rhus glabra (smooth sumac) has a history of traditional use among Native American groups for various medicinal purposes, including as a topical application for skin conditions such as poison ivy or poison oak reactions. Historical ethnobotanical records document that some tribes used infusions or poultices made from the leaves, bark, or berries to soothe skin rashes and inflammation.

However, there is little to no scientific research specifically evaluating the effectiveness of Rhus glabra for treating poison ivy or poison oak dermatitis. The rationale for its use appears to be rooted in traditional herbal medicine rather than validated through modern clinical studies. Some proposed mechanisms include astringent properties due to the tannins present in the plant, which could conceivably reduce inflammation and dry oozing lesions, but these effects have not been directly studied in the context of poison ivy or oak dermatitis.

In summary, the use of Rhus glabra for poison ivy or oak is justified by tradition and ethnobotanical records, but lacks scientific validation. Evidence supporting its use for this specific condition is weak and primarily anecdotal.

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