Synopsis

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

Lemongrass (Cymbopogon citratus) has been traditionally used in various cultures, particularly in Southeast Asia, for the management of respiratory conditions such as coughs, colds, and sore throats. Folk medicine practices often involve the preparation of lemongrass tea or decoctions, which are consumed for their soothing effects on the throat and purported ability to reduce coughing. The rationale behind its use is attributed to its aromatic properties and the presence of essential oils (such as citral and limonene), which are believed to have mild antimicrobial and anti-inflammatory effects.

From a scientific perspective, there is limited direct evidence supporting the efficacy of lemongrass in treating cough specifically. Some laboratory studies have shown that lemongrass extracts possess antimicrobial, antioxidant, and anti-inflammatory properties—characteristics that could, in theory, contribute to easing cough symptoms, particularly if caused by minor throat irritation or infection. However, robust clinical trials in humans examining lemongrass as a primary treatment for cough are lacking.

In summary, the use of lemongrass for cough is primarily based on traditional knowledge and anecdotal reports rather than strong scientific validation. While its general safety and mild effects make it a popular herbal remedy, individuals should be aware that evidence supporting its effectiveness for cough remains modest (rated 2/5), and it should not replace proven medical therapies for serious respiratory conditions.

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