Synopsis

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

Cardamom (Elettaria cardamomum) has a long history of use in traditional medicine systems such as Ayurveda and Traditional Chinese Medicine (TCM) for the treatment of respiratory ailments, including colds and congestion. In these traditions, cardamom is valued for its warming properties and aromatic compounds, which are believed to help clear congestion, promote expectoration, and ease breathing difficulties. Historically, cardamom has been used in herbal teas, steam inhalations, and medicinal blends designed to soothe symptoms of colds, such as cough and nasal blockage. The essential oil of cardamom contains compounds like cineole (also found in eucalyptus), which is known for its decongestant and anti-inflammatory effects in preclinical studies. However, direct scientific evidence supporting cardamom’s efficacy as a decongestant in humans is limited, and most of the support comes from traditional use and extrapolation from the activity of its volatile compounds. Clinical trials specifically evaluating cardamom’s effects on cold symptoms are lacking. Therefore, while its use is well-rooted in tradition and supported by plausible mechanisms based on its constituents, the scientific evidence remains modest, justifying a moderate evidence rating.

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