Butterweed, Canadian Horseweed, Canadian-Fleabane, Canadian Trailing Arbutus, Coltstail, Conyza du Canada, Conyza canadensis, Erígero de Canadá, Érigéron du Canada, Erigeron canadensis, Fausse Camomille, Flea Wort, Hierba Carnicera, Hogweed, Horsewood, Prideweed, Vergerette du Canada, Vergerolle du Canada.
Insufficient Evidence to Rate Effectiveness for...
Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.