Evidence supporting the use of: Spanish Oregano
For the health condition: Cough (dry)

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Synopsis

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

Spanish Oregano (Lippia graveolens), also known as Mexican oregano, has a history of use in traditional medicine throughout Latin America and the Caribbean. Folk remedies often employ its leaves and essential oils in infusions or teas to address respiratory complaints, including coughs, colds, and sometimes specifically dry cough. This traditional use is likely based on the plant’s known aromatic properties and the presence of compounds such as thymol and carvacrol, which are also found in other medicinal herbs like thyme and conventional oregano. These compounds are thought to have mild antimicrobial and soothing effects that may provide subjective relief for cough symptoms.

However, there is limited direct scientific evidence specifically validating the use of Spanish Oregano for dry cough. While some laboratory studies suggest that extracts of Lippia graveolens possess antimicrobial and anti-inflammatory properties, clinical trials in humans addressing its efficacy for cough—dry or otherwise—are lacking. Most of the support comes from ethnobotanical surveys and traditional herbal medicine literature rather than rigorous scientific validation. Therefore, though its use for cough is well-documented in tradition, the quality and quantity of supporting evidence are low, justifying a rating of 2 out of 5.

More about Spanish Oregano
More about Cough (dry)

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