Evidence supporting the use of: Osha
For the health condition: Chills

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Osha (Ligusticum porteri) is primarily used in traditional medicine, particularly among Native American and Hispanic cultures in North America, to support the treatment of chills and symptoms associated with colds and respiratory illnesses. Historically, the root of the osha plant has been prepared as a tea, tincture, or chewed directly to alleviate symptoms such as chills, sore throat, cough, and fever. This traditional usage is based on the belief that osha has warming, diaphoretic (sweat-inducing), and antimicrobial properties, which may help "drive out" coldness from the body and support recovery from illnesses marked by chills and shivering.

Despite its longstanding traditional use, there is minimal scientific research directly validating osha’s effectiveness for treating chills specifically. Most available scientific literature focuses on osha’s general antimicrobial and anti-inflammatory properties, but not on its use for chills per se. The evidence base is largely anecdotal and rooted in ethnobotanical reports rather than clinical trials or pharmacological studies. Therefore, the use of osha for chills is justified by tradition rather than by robust scientific evidence, and the overall quality of evidence is low (rated 2 out of 5).

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Products containing Osha

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