Synopsis

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

Luo San, also known as "Luo San Powder," is a traditional Chinese medicine (TCM) formulation. Its use for treating or supporting the relief of chills is primarily rooted in traditional practices rather than modern scientific validation. In TCM theory, Luo San is believed to help "dispel wind and cold" from the body, an etiology often associated with chills and external pathogenic invasions. The formula typically contains ingredients such as cinnamon twig, peony root, and licorice, which are thought to balance the body's internal energy (Qi) and promote circulation. Historical texts, such as the "Shang Han Lun" (Treatise on Cold Damage), reference similar herbal combinations for symptoms like chills, fever, and stiffness. However, while there are case reports and anecdotal evidence cited in TCM literature, robust clinical trials or modern pharmacological studies specifically validating Luo San for chills are lacking. Therefore, its use is justified mainly by tradition, with moderate historical support but limited empirical scientific evidence, corresponding to a rating of 2 out of 5 for evidence strength.

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