Synopsis

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

Luo San is primarily recognized in traditional Chinese medicine (TCM) for its use in the prevention and treatment of colds. The remedy is composed of ingredients such as loquat leaf (Eriobotrya japonica) and other herbal components, and it is traditionally believed to clear heat and relieve coughing, which are symptoms commonly associated with colds. Historical records and classical TCM texts describe the use of similar multi-herb formulations for symptoms such as cough, sore throat, and general malaise, which are often seen in the initial stages of a cold. However, the evidence supporting Luo San's efficacy is largely anecdotal and rooted in traditional practice, rather than in rigorously designed clinical trials. There is a lack of robust modern scientific validation for its preventive benefits against colds. Most available studies are either of low methodological quality or focus on related, but not identical, formulations. Therefore, while Luo San is traditionally used for colds, and some practitioners may recommend it on this basis, its use is not strongly supported by contemporary scientific evidence.

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Other ingredients used for Colds (prevention)

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