Evidence supporting the use of: Citrus (mixed)
For the health condition: Cough (dry)

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Synopsis

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

Citrus fruits and their extracts (such as lemon, orange, or mixed citrus) have a long-standing traditional use in various cultures for alleviating dry cough. Traditionally, citrus juices or peels have been incorporated into home remedies like warm teas, syrups, or infusions, often combined with honey. The rationale behind their use is primarily their vitamin C content, which is believed to support immune function, and their acidic, soothing effects on the throat. Additionally, the essential oils in citrus peels may have mild expectorant or anti-inflammatory properties, according to traditional herbal medicine texts.

However, scientific evidence directly supporting citrus (mixed) as an effective treatment for dry cough is limited. While vitamin C has been studied for its role in reducing the duration or severity of common cold symptoms, robust clinical data showing a direct benefit for dry cough specifically is lacking. Most modern guidelines do not list citrus as a primary therapy for dry cough, and any benefit is likely mild and related to its soothing effect or immune support, rather than a direct antitussive (cough-suppressing) action.

In summary, the use of mixed citrus for dry cough is primarily justified by traditional usage, with limited scientific backing. It remains a common household remedy due to its safety, palatability, and historical precedent rather than strong clinical evidence.

More about Citrus (mixed)
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