Synopsis

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

Pungent compounds, such as those found in spices like ginger, black pepper, and cloves, have a long history of use in traditional medicine systems (e.g., Ayurveda, Traditional Chinese Medicine) for alleviating dry cough. These compounds are believed to stimulate salivation, increase mucosal secretions, and promote expectoration, thereby soothing the throat and reducing cough reflex. Common traditional remedies include teas, infusions, or syrups containing pungent herbs or spices. However, while traditional texts and ethnobotanical reports frequently mention the use of pungent substances for cough relief, rigorous scientific evidence to validate their efficacy for dry cough specifically is limited. Most available studies focus on their effects in broader respiratory conditions, or investigate individual components (e.g., gingerols in ginger) rather than pungent compounds as a class. Some laboratory and small-scale human studies suggest mild anti-inflammatory or cough-suppressant effects for certain pungent ingredients, but these findings are not consistent or robust. In summary, the use of pungent compounds for dry cough is primarily justified by traditional practices, and the current scientific evidence supporting their efficacy is weak to moderate at best.

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