Synopsis

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

Reed Herb (commonly referring to Phragmites australis or “common reed”) has been utilized in traditional Chinese medicine (TCM) for centuries, primarily under the name “Lu Gen.” In TCM, Reed Herb is considered to have cooling and moistening properties, making it a popular remedy for conditions involving heat, such as colds with fever, sore throat, and cough. It is often included in classic herbal formulas designed to clear heat and promote urination, which TCM theory suggests helps to expel pathogens and reduce fever. The plant is typically used in decoctions, teas, or combined with other herbs like licorice root and mint.

Despite its long history of traditional use, there is limited scientific evidence to support the effectiveness of Reed Herb specifically for treating colds with fever. Some pharmacological studies in vitro have noted anti-inflammatory and antipyretic (fever-reducing) properties of extracts from Phragmites australis rhizomes, but these studies are either preliminary or not directly related to human clinical outcomes for colds. There are no high-quality clinical trials that specifically validate the herb’s efficacy for colds with fever. Therefore, while its use is well-established in traditional medicine, the scientific evidence is modest and largely insufficient by modern standards.

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