Synopsis

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

Osmanthus (Osmanthus fragrans), known as "Gui Hua" in Traditional Chinese Medicine (TCM), has historically been used as a remedy for cough and related respiratory symptoms. In traditional contexts, Osmanthus flowers are believed to moisten the lungs, dissolve phlegm, and relieve cough, often being incorporated into herbal formulas or made into teas. Classic TCM texts, such as the "Ben Cao Gang Mu" (Compendium of Materia Medica), mention the use of Osmanthus for respiratory complaints including coughs, particularly those associated with dryness or irritation.

However, scientific studies specifically validating the efficacy of Osmanthus for treating general cough are limited. While the flowers contain bioactive compounds with antioxidant and anti-inflammatory properties, there is a lack of robust clinical trials or pharmacological studies directly linking Osmanthus to cough suppression or symptomatic relief in modern medicine. Therefore, the primary justification for its use in cough is based on traditional practice rather than contemporary scientific validation. The evidence rating reflects the presence of historical use but a paucity of direct scientific support.

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