Evidence supporting the use of: Labrador Tea
For the health condition: Itching

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Synopsis

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

Labrador Tea (Rhododendron groenlandicum, formerly Ledum groenlandicum) has a longstanding history of traditional use among Indigenous peoples in North America, primarily for a variety of ailments including skin irritations and itching. The leaves were commonly prepared as a topical wash or poultice to relieve itching caused by insect bites, rashes, or other minor skin irritations. This traditional application is supported by ethnobotanical records and accounts from early European settlers who learned of the plant's uses from Indigenous communities.

However, scientific validation for its effectiveness in treating itching is lacking. There are very few, if any, clinical or pharmacological studies specifically investigating Labrador Tea's antipruritic (anti-itch) effects. While the plant contains compounds such as essential oils (including ledol and palustrol), tannins, and flavonoids, which may have mild anti-inflammatory or antimicrobial properties, direct evidence linking these constituents to relief from itching is insufficient. Additionally, some sources caution that Labrador Tea can be toxic if ingested in large amounts, and topical use may cause irritation in sensitive individuals.

In summary, the use of Labrador Tea for itching is primarily justified by tradition rather than scientific evidence. The strength of the supporting evidence is weak, and further research would be needed to substantiate its efficacy and safety for this purpose.

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