Synopsis

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

Inula helenium, commonly known as elecampane, has a long history of use in traditional herbal medicine systems, particularly in Europe and Asia, as a remedy for respiratory conditions including spastic (or spasmodic) coughs. The roots of Inula helenium have been employed in both Western herbalism and Traditional Chinese Medicine for their expectorant, antitussive, and soothing properties. Traditional texts describe its use to help calm coughs, clear mucus from the lungs, and ease breathing discomfort. The main active constituents identified in Inula include inulin (a polysaccharide), sesquiterpene lactones (such as alantolactone), and essential oils, which are believed to contribute to its therapeutic effects.

While there is some pharmacological research suggesting that extracts from Inula helenium have antitussive (cough-suppressing), anti-inflammatory, and antimicrobial properties, these findings are primarily from in vitro (lab-based) or animal studies. Clinical trials in humans specifically addressing its efficacy for spastic cough are lacking or very limited. Therefore, the primary justification for the use of Inula in this context is based on historical and traditional practices rather than robust scientific validation. The evidence rating reflects that while traditional use is strong, scientific evidence in humans is weak or not definitive.

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