Synopsis

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

Arisaema amurense, commonly known as Amur Jack-in-the-pulpit or Chinese cobra lily, has a well-documented history of use in traditional Chinese medicine (TCM) for treating respiratory conditions, including lung congestion, cough, and phlegm accumulation. In TCM, the processed tuber (known as "Tian Nan Xing" when prepared) is considered to have acrid, bitter, and warm properties, and is believed to dispel wind-phlegm, dry dampness, and resolve masses. It is often included in herbal formulations intended to address symptoms like chest oppression, cough with copious sputum, and other signs of phlegm obstruction in the lungs.

However, while its use for lung congestion is traditional and appears in major Chinese pharmacopeias and materia medica, high-quality modern scientific evidence specifically validating these effects in humans is limited. Some pharmacological studies have shown that extracts of Arisaema amurense have anti-inflammatory and expectorant properties in animal models, which may provide a mechanistic rationale for its traditional use, but clinical trials are lacking. Additionally, the raw tuber is toxic and must be properly processed to reduce adverse effects before use in medicine.

In summary, the support for Arisaema amurense in treating lung congestion is rooted primarily in traditional use, with some preliminary pharmacological findings but insufficient clinical evidence to firmly support efficacy or safety for this indication.

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