Synopsis

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

Arisaema (commonly known as Jack-in-the-pulpit or cobra lily) has a long history of use in traditional Chinese medicine (TCM) and other East Asian medical systems. The rhizome of Arisaema species—often processed to reduce toxicity—is known in TCM as "Tian Nan Xing." It is traditionally used to resolve phlegm, treat cough, and relieve symptoms of congestion, particularly in cases involving "phlegm-dampness" and related respiratory conditions. The historical texts and classical herbal compendia describe its application for symptoms that overlap with modern definitions of colds, especially those characterized by thick mucus and congestion.

However, there is limited modern scientific evidence to support these uses. While some phytochemical studies have identified bioactive compounds (such as alkaloids and saponins) in Arisaema, there is a lack of robust clinical trials or pharmacological studies specifically validating its efficacy as a decongestant in the context of colds. Most of the support for its use comes from centuries of empirical use and documentation in traditional medical literature rather than contemporary biomedical research.

It is important to note that raw Arisaema is considered toxic and must be properly processed before use; adverse effects can include irritation and, in some cases, poisoning. Therefore, while the traditional use is well-established, caution is warranted, and scientific validation remains limited.

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Other ingredients used for Colds (decongestant)

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