Synopsis

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

Bitter Grass—also known as Andropogon chinensis or Herba Andropogonis—has a history of use in traditional Chinese medicine (TCM) for a variety of conditions, including those characterized by "chills" or "cold" symptoms. In TCM theory, chills are often associated with external wind-cold invasions, and Bitter Grass is considered to have properties that "clear heat," "eliminate dampness," and "expel wind." While its principal uses are for conditions like fever, jaundice, and urinary difficulties, some traditional sources mention its use in treating ailments with chills and fever, particularly as part of multi-herb formulas. The rationale in TCM is that its bitter and cooling nature helps to restore balance when pathogenic cold or wind is present in the body.

However, there is little scientific research specifically validating Bitter Grass’s effectiveness for chills as understood in a biomedical sense (i.e., shivering due to fever or infection). Most available literature describes its traditional use rather than clinical efficacy. Therefore, the justification for using Bitter Grass to treat chills is grounded primarily in historical practice and traditional medical texts, not in modern scientific studies or clinical trials.

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