The roots and rhizomes elecampane contain essential oil, which is composed gelenin, alantol and proazulen possessing bactericidal and antihelminthic action, polysaccharides (inulin, inulen), organic acidsThe root is the part of the plant used for healing purposes. In ancient Rome, elecampane was regarded as a good aid in overcoming post banquet indigestion. This plant is also highly appreciated in Tibetan medicine. Elecampane is considered to have antiphlogistic, expectorant, improving digestion, diuretic and tonic properties. Its restorative, tonic action complements its ability to counter infection. Elecampane entered folk medicine with the ancient Greeks and Romans, who used it in cold remedies because it was thought to promote sweating and help bring up phlegm. In the 19th century the roots were boiled in sugar water to make cough drops and asthma lozenges or just candy.