Evidence supporting the use of: Star Anise
For the health condition: Cough (dry)

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Synopsis

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

Star anise (Illicium verum) has a long history of use in traditional medicine, particularly in East Asian systems, to help alleviate coughs, including dry coughs. Traditional Chinese Medicine (TCM) often incorporates star anise in herbal formulations to soothe the throat, reduce cough, and support respiratory health. The rationale in these systems is based on the warming and expectorant properties attributed to the spice, which are believed to help expel phlegm and ease respiratory discomfort.

However, scientific studies directly evaluating star anise’s effect on dry cough in humans are limited. Some laboratory research indicates that star anise contains compounds such as shikimic acid and anethole, which possess antimicrobial and mild anti-inflammatory properties. While these constituents might theoretically help with coughs related to infections or inflammation, there is a lack of robust clinical trials demonstrating efficacy specifically for dry cough in humans.

In summary, the use of star anise for dry cough is primarily supported by traditional and historical practices rather than modern scientific evidence. The current scientific literature offers only indirect or limited support, so the evidence rating remains modest.

More about Star Anise
More about Cough (dry)

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