Synopsis

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

Black-Eyed Susan (Rudbeckia hirta) has a history of traditional use among certain Native American groups for treating external bleeding and wounds. The roots and leaves were sometimes prepared as poultices or infusions and applied directly to cuts, sores, or wounds in an attempt to stop bleeding and promote healing. This use appears in ethnobotanical records, and its application was based on empirical observation rather than scientific study.

However, there is little to no scientific research validating the hemostatic (bleeding-stopping) effects of Black-Eyed Susan. No clinical trials or controlled studies have been published to confirm its effectiveness or safety for this indication. The plant does contain some secondary metabolites such as flavonoids and phenolic compounds, which are common in many plants with traditional wound-healing reputations, but there is no direct evidence that these constituents in Black-Eyed Susan specifically contribute to stopping bleeding.

In summary, the use of Black-Eyed Susan for treating external bleeding is supported primarily by traditional knowledge and anecdotal reports, with a very low level of scientific evidence. It should not be relied upon as a primary treatment for bleeding in modern clinical practice.

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