Elecampane, Inula helenium, also called horse-heal or elfdock, is a widespread plant species in the sunflower family Asteraceae. It is native to Eurasia from Spain to Xinjiang Province in western China, and naturalized in parts of North America.
- Treating asthma
- Treating bronchitis
- Treating whooping cough
- Prevent coughing
- Prevent coughing caused by tuberculosis
- Used asexpectorant to help loosen phlegm