Synopsis

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

Arisaema species, commonly referred to as "Arisaema" or "Jack-in-the-pulpit," have been used in traditional Chinese medicine (TCM) and other Asian herbal practices for centuries. In TCM, the processed tuber (often called Arisaema cum Bile or "Dan Nan Xing") is used to resolve phlegm, dry dampness, and relieve coughs associated with bronchial congestion and respiratory disorders. The classical texts describe its use in formulas for treating conditions characterized by excessive phlegm, wheezing, and productive cough.

However, scientific validation for these uses is limited. Some in vitro and animal studies have reported anti-inflammatory and antitussive effects of Arisaema extracts, but robust clinical trials in humans are lacking. The raw tuber is toxic and must be carefully processed to reduce toxicity, as it contains calcium oxalate crystals and other irritants. The evidence rating is moderate (2 out of 5) due to the strong traditional use and some preliminary pharmacological findings, but the absence of controlled clinical studies limits confidence in efficacy and safety for bronchial congestion.

In summary, Arisaema's use for bronchial congestion is primarily justified by traditional practice, with modest pharmacological support but insufficient scientific validation to recommend widespread use.

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