Elecampane is a specific for irritating bronchial coughs, especially in children. It may be used wherever there is copious catarrh formed, e.g. in bronchitis or emphysema. This remedy shows the complex and integrated ways in which herbs work The mucilage has a relaxing effect accompanied by the stimulation of the essential oils. In this way expectoration is accompanied by a soothing action which in this herb is combined with an anti-bacterial effect. It may be used in asthma and bronchitic asthma. Elecampane has been used in the treatment of tuberculosis. The bitter principle makes it useful also to stimulate digestion and appetite. The New Holistic Herbal by David Hoffmann Pg. 198