Evidence supporting the use of: Flowering quince
For the health condition: Nausea and Vomiting

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Synopsis

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

Flowering quince (Chaenomeles speciosa) has a long history of use in traditional Chinese medicine (TCM) and other East Asian medical systems. In these traditions, flowering quince is known as "Mu Gua" and is primarily used to treat conditions such as digestive disturbances, including nausea and vomiting, as well as muscle cramps and arthralgia. The traditional rationale is that the herb helps to "harmonize the stomach" and relieve "dampness," which are TCM concepts associated with digestive upset and gastrointestinal symptoms.

While there are some modern pharmacological studies on Chaenomeles speciosa, these focus mainly on its anti-inflammatory, antioxidant, and muscle-relaxant properties. There is a lack of robust clinical trials specifically evaluating its efficacy for nausea and vomiting in humans. Most of the support for its use in these conditions comes from centuries of anecdotal and empirical evidence in herbal medicine, rather than from contemporary scientific research. Thus, its use for nausea and vomiting is primarily justified by tradition rather than modern scientific validation. The evidence rating is moderate (2/5) because of the historical consistency, but it is not supported by high-quality, controlled human studies.

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