Evidence supporting the use of: Marsh Tea
For the health condition: Urinary Tract Infections

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Marsh Tea (Ledum palustre), also known as wild rosemary or Labrador tea, has a long history of use in traditional herbal medicine, particularly among Indigenous peoples and in Northern Europe. It has been employed for a variety of ailments, including as a remedy for coughs, colds, rheumatism, and urinary tract issues. The use of Marsh Tea for urinary tract infections (UTIs) is primarily justified by tradition rather than robust scientific evidence. Historical sources suggest that decoctions or infusions of the leaves were sometimes used as a diuretic and to alleviate urinary discomfort. However, the phytochemical constituents of Marsh Tea, such as essential oils (including ledol and palustrol), flavonoids, and tannins, have not been shown in controlled studies to possess significant antibacterial activity against common UTI-causing pathogens like Escherichia coli. Furthermore, safety concerns exist, as Marsh Tea can be toxic if consumed in large quantities due to the presence of toxic sesquiterpenes. There is a lack of modern clinical studies validating its efficacy or safety for UTI treatment. In summary, while Marsh Tea’s use for UTIs is rooted in traditional practice, there is minimal scientific support for its effectiveness or safety in this context, and it should not be relied upon as a primary treatment.

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