Tussilago farfara, also called coltsfoot, is a perennial herbaceous plant widely distributed in Europe, Asia, North Africa, and Russian Far East. It is also found in North and South America, where settlers introduced it as a medicinal plant. Coltsfoot has been used as a medicinal herb in Europe and Asia to treat various inflammatory diseases, including coughs, bronchitis, and asthma. In Europe, the leaves have been consumed as tea or syrup and herbal remedy to treat skin, colds, fever, and rheumatism.

In Traditional Korean and Chinese Medicine, coltsfoot is an important medicinal herb used to treat hepatitis, type 2 diabetes, obesity, pulmonary tuberculosis, and asthma due to its therapeutic properties.