Abstract
Symphytum officinale L. (Comfrey) is a plant used for more than 2,000 years in the treatment of wound healing and fractures consolidation. It is popularly used as a medicinal plant and as phytotherapy or homeopathic medicine. However, there are reports of hepatic intoxication after consuming large amounts of Comfrey, which were associated with pyrrolizidine alkaloids present in the plant.…