Evidence supporting the use of: Gum (unspecified)
For the health condition: Cough (dry)

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Synopsis

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

Gum, particularly natural plant gums such as gum arabic (Acacia senegal), tragacanth, or mastic, has a long history of traditional use in soothing dry coughs. These substances have been used in various cultures as demulcents—agents that form a soothing film over mucous membranes, thereby relieving minor pain and inflammation of the mouth and throat. Traditional herbal medicine systems, including Ayurveda and Unani, often recommend plant gums for dry coughs or throat irritation.

The proposed mechanism is that the viscous, sticky nature of gum coats the throat, reducing irritation and suppressing the cough reflex. However, scientific evidence supporting this use is limited. Some studies suggest that demulcents in general can provide symptomatic relief in dry cough, but there is a lack of high-quality, controlled clinical trials specifically evaluating plant gums for this purpose. Most modern cough lozenges or syrups rely on ingredients such as honey, glycerin, or pectin for a similar demulcent effect, rather than natural plant gums.

In summary, while the use of gum for dry cough is supported by traditional practice and there is plausible rationale for its demulcent action, robust scientific validation is lacking. The evidence rating is therefore moderate, reflecting strong tradition but limited clinical research.

More about gum (unspecified)
More about Cough (dry)

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