Evidence supporting the use of: Marshmallow
For the health condition: Itching

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Synopsis

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

Marshmallow (Althaea officinalis) has a long history of use in traditional medicine, particularly for soothing irritated mucous membranes and skin. The root contains mucilage, a gelatinous substance that can form a protective layer over skin or mucous membranes, which may help alleviate symptoms like itching, dryness, or minor irritation. In herbal traditions, marshmallow poultices or ointments have been applied topically to calm skin conditions involving pruritus (itching) such as eczema, minor burns, or insect bites. The mucilage is thought to provide a physical barrier that helps retain moisture and protect against further irritation.

However, the scientific evidence supporting marshmallow's effectiveness specifically for itching is limited. While a few in vitro and animal studies suggest anti-inflammatory and soothing properties, there is a lack of robust clinical trials in humans directly assessing its efficacy for pruritus. Some modern herbal texts and pharmacopeias continue to mention marshmallow for skin complaints, but these recommendations are largely based on historical precedent rather than contemporary scientific validation.

In summary, marshmallow's use for itching is primarily justified by traditional and historical usage, with modest support from basic pharmacological studies but little high-quality clinical evidence. Further research would be needed to establish its efficacy and safety for this indication.

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