burdock root, a perennial herb found in the United States, China, and Europe. ▪ INDICATIONS: This herb is used for skin diseases, inflammation, rashes, colds and fever, cancer, gout, and arthritis; there are insufficient data to know if it is effective. ▪ CONTRAINDICATIONS: Burdock is probably safe except in those who are hypersensitive to this plant. Burdock also should be used cautiously in people with diabetes or cardiac disorders.