Synopsis

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

Citron (Citrus medica) has a long history of use in traditional medicine systems, particularly in Asia and the Mediterranean region, for the treatment of respiratory ailments such as cough, including spastic or convulsive coughs. Historical texts in Traditional Chinese Medicine (TCM), Ayurveda, and various folk practices describe preparations of citron peel, juice, or syrup as remedies to soothe the throat, alleviate cough, and reduce phlegm. The fruit's essential oils and flavonoid content are believed to have mild expectorant and antispasmodic effects, which may contribute to its traditional use for cough relief. However, direct and robust scientific studies investigating citron's efficacy specifically for spastic cough are lacking. Most available evidence is anecdotal or based on traditional practice rather than well-controlled clinical trials. Therefore, while citron is traditionally used for this purpose, and there is some plausibility given its phytochemical profile, the scientific evidence supporting its effectiveness for spastic cough is minimal. The rating of 1 reflects the predominance of traditional use with very limited scientific validation.

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