Evidence supporting the use of: Artemisia
For the health condition: Colds (decongestant)

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Synopsis

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

Artemisia, particularly species such as Artemisia annua and Artemisia vulgaris, has a long history of use in traditional medicine systems across Asia, Africa, and Europe for various ailments, including respiratory conditions like colds. In traditional Chinese medicine, Artemisia is sometimes used to treat fever and clear “heat,” which could overlap with the symptomatic relief of colds. Folk medicine practices in different cultures have included Artemisia preparations (teas, infusions, or inhalations) as herbal remedies for symptoms such as nasal congestion, cough, and mild respiratory infections. The presumed mechanism is partly due to the plant’s aromatic volatile oils, which could provide mild decongestant effects when inhaled, similar to how eucalyptus or menthol are used.

However, scientific evidence directly supporting the use of Artemisia as a decongestant or treatment for colds is limited. Few clinical trials have specifically addressed this indication, and most available studies focus on its antimalarial, antiparasitic, or anti-inflammatory properties. While some in vitro research suggests mild antimicrobial and anti-inflammatory activity, these findings do not robustly translate to clinical efficacy against cold symptoms. As a result, the use of Artemisia for colds is best categorized as traditional, with anecdotal and historical support but low-level scientific validation.

More about Artemisia
More about Colds (decongestant)

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