Greater celandine has a long history of herbal use. Traditionally it was employed as an ophthalmic to improve and clear the eyesight whilst in modern herbal medicine it is used more as a mild sedative, antispasmodic and detoxifying herb, relaxing the muscles of the bronchial tubes, intestines and other organs. Greater celandine acts as a mild sedative which has been used historically to treat asthma, bronchitis, and whooping cough. The herb"s antispasmodic effect improves bile flow in the gallbladder and has been reputed to treat gallstones and gallbladder pain