Dictionary of Cancer Terms
View in Spanish: Equinácea
Echinacea (EH-kih-NAY-shuh)
An herb native to North America that has been used to prevent and treat the common cold and other respiratory infections. Echinacea may interfere with treatment that uses the immune system to fight cancer. The scientific names are and . Also called purple coneflower.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.