Evidence supporting the use of: Guaco
For the health condition: Allergies (respiratory)

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Synopsis

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

Guaco (Mikania glomerata and related Mikania species) has a long history of traditional use in South America, particularly in Brazil, as a herbal remedy for various respiratory ailments, including cough, bronchitis, asthma, and allergies. The plant contains coumarin and other compounds thought to have bronchodilatory, anti-inflammatory, and expectorant effects. Traditional medicine systems have relied on Guaco infusions or syrups to relieve symptoms such as wheezing, chest tightness, and allergic reactions affecting the respiratory tract.

However, scientific evidence supporting the efficacy of Guaco specifically for respiratory allergies is limited and largely based on animal studies or in vitro experiments. Some research indicates that Guaco extracts can exert bronchodilatory effects and may inhibit histamine-induced contraction of airway smooth muscle, suggesting a potential benefit for allergic respiratory conditions. Nevertheless, robust clinical trials in humans with allergic rhinitis or asthma are lacking, and existing human studies are generally of low methodological quality or focus more on general respiratory support than on allergic conditions specifically.

In summary, Guaco's use for respiratory allergies is primarily justified by traditional use, with only weak scientific evidence to support its effectiveness for this specific indication.

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Products containing Guaco

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