Synopsis

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

Alpinia galangal (commonly known as galangal or greater galangal) has a long history of use in traditional medicine systems, particularly in Southeast Asia and parts of South Asia, for treating respiratory ailments, including cough. In Ayurvedic and traditional Chinese medicine, galangal rhizome is used in decoctions and teas to relieve symptoms associated with cold, cough, sore throat, and congestion. Its warming properties and pungent flavor are believed to help “disperse cold” and promote the flow of “qi,” which, according to traditional beliefs, can alleviate cough and respiratory discomfort.

Modern scientific research on galangal’s efficacy for treating cough is limited. Some laboratory studies have identified anti-inflammatory, antimicrobial, and antioxidant properties in galangal extracts, and these effects could theoretically contribute to relief from respiratory infections or irritation. However, there is a lack of robust clinical trials directly evaluating galangal as a treatment for cough in humans. The current use is thus primarily rooted in traditional practice rather than strong scientific evidence. Overall, while Alpinia galangal is widely used in traditional medicine for cough, the evidence base supporting its effectiveness remains weak, and more rigorous clinical studies are needed to substantiate its benefits.

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