Evidence supporting the use of: Marshmallow
For the health condition: Poison Ivy or Oak

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Synopsis

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

Marshmallow (Althaea officinalis) has a long history of use in traditional herbal medicine, primarily for soothing mucous membranes and inflamed tissues. Its root contains mucilage, a gelatinous substance that coats and soothes irritated skin and mucosa. Traditionally, poultices made from marshmallow root or leaves have been applied topically to relieve irritation and inflammation, including skin conditions such as minor burns, wounds, and sometimes rashes like those caused by poison ivy (Toxicodendron radicans) or poison oak (Toxicodendron diversilobum). However, the evidence supporting its use for poison ivy or oak is mostly anecdotal and rooted in folk medicine rather than rigorous scientific study.

There are no high-quality clinical trials or robust pharmacological studies directly evaluating marshmallow for the treatment of poison ivy or oak dermatitis. The rationale for its use is based on its general demulcent and anti-inflammatory properties, which may help soothe skin but do not specifically counteract the allergic reaction caused by urushiol oil from these plants. While marshmallow is considered safe for topical use and may provide a soothing effect, it should not be relied upon as a primary treatment for poison ivy or oak exposure, especially in severe cases. Standard medical treatments such as corticosteroids and antihistamines remain the mainstay.

In summary, the use of marshmallow for poison ivy or oak is supported by traditional practice, with very limited evidence (rated 1/5) and no strong scientific validation.

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