Synopsis

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

Labrador Tea (Rhododendron groenlandicum, formerly Ledum groenlandicum) has a long history of use among Indigenous peoples in North America, particularly in Canada and Alaska. Traditional uses of the leaves include infusions for a variety of ailments, most notably as a diuretic and for urinary tract complaints, including bladder infections. Ethnobotanical records indicate that several First Nations groups prepared teas from the leaves to help 'cleanse the bladder' or alleviate urinary discomfort.

Despite this traditional use, there is little to no direct scientific research or clinical trial data substantiating its efficacy for bladder infections. The plant contains some compounds (like sesquiterpenes and arbutin) that, in related species, have shown mild antimicrobial or anti-inflammatory activity in vitro. However, these findings have not been robustly demonstrated for Labrador Tea itself, nor specifically for urinary tract pathogens or in human subjects. Furthermore, safety concerns exist with chronic or high-dose use due to the presence of potentially toxic compounds, such as ledol.

In summary, Labrador Tea’s use for bladder infections is justified by traditional knowledge rather than scientific validation. Its efficacy and safety for this purpose have not been established in modern research, and it should not be relied upon as a primary treatment for urinary tract or bladder infections.

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