Synopsis

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

Coltsfoot (Tussilago farfara) has a long history of traditional use for respiratory health, including support of the sinuses. It has been used in European and Asian herbal medicine for centuries, primarily as a remedy for coughs, bronchitis, and other respiratory discomforts. In traditional herbalism, coltsfoot leaves and flowers were brewed as teas or made into syrups to help soothe irritated mucous membranes and reduce inflammation of the respiratory tract, which includes the sinuses. Its demulcent and mild expectorant properties were believed to help clear mucus and relieve congestion.

However, scientific evidence supporting coltsfoot for sinus support is limited. Most modern research has focused on its risk profile, particularly the presence of hepatotoxic pyrrolizidine alkaloids (PAs) in some preparations. While a few animal and in vitro studies suggest anti-inflammatory and soothing effects, these have not been robustly demonstrated in human clinical trials for sinus or upper respiratory tract health. Regulatory agencies in some countries have restricted or discouraged coltsfoot use due to safety concerns.

In summary, the use of coltsfoot to support the sinuses is justified primarily by tradition and historical practice, rather than strong scientific validation. Anyone considering its use should be aware of potential safety risks, especially relating to liver toxicity.

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