Botanical Index No. 479

Groundsel

senecio vulgaris

Safety & Contraindications

Not covered. Contains pyrrolizidine alkaloids in considerable amounts and varieties, which can be carcinogenic, hepatotoxic, and mutagenic. Use of Senecio species can result in potentially fatal hepatic veno-occlusive disease in humans, with symptoms of abdominal pain and vomiting with ascites. PAs are toxic to humans, with liver damage with cirrhosis and ascites, or seneciosis, or veno-occlusive disease reported in almost all cases of severe or fatal intoxications, from intakes of 0.5 mg/kg to 3.3 mg/kg. Horses grazing the plant develop anorexia, ascites, edema, encephalopathy with gait anomalies, and jaundice. LD50 = 140 mg/kg orl rat.

!