Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Spearmint leaf (Mentha spicata) has a long history of traditional use for respiratory complaints, including cough, particularly in folk and herbal medicine systems. In many cultures, spearmint is used as a soothing agent for the throat, and its aromatic qualities are believed to help clear airways. The plant contains volatile oils, such as carvone and limonene, which may impart mild antispasmodic and soothing effects. While it is commonly used in teas and infusions for the relief of cough and respiratory discomfort, the evidence supporting its efficacy is largely anecdotal and based on traditional practices. There is a lack of robust scientific studies specifically evaluating spearmint leaf for the treatment of spastic (dry or irritating) cough in humans. Most available data are extrapolated from studies on related mints or from in vitro experiments showing mild anti-inflammatory or antimicrobial properties. Therefore, while spearmint leaf is traditionally used for cough, especially to soothe irritation, the scientific evidence is limited and weak. Its primary benefit may be from the comfort and hydration provided by warm herbal teas, along with possible mild local effects from its essential oils.

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