Call Your Vet or Poison Control IMMEDIATELY
Also known as: Common Comfrey, Knitbone, Boneset
Contains pyrrolizidine alkaloids that cause severe liver damage and potentially cancer with prolonged exposure. Symptoms include vomiting, diarrhea, jaundice, lethargy, and liver failure.
Initial symptoms 2-12 hours; liver damage develops over days to weeks
Vomiting, diarrhea, jaundice, lethargy, liver failure
Call vet or poison control immediately (ASPCA: 888-426-4435). Remove plant material. Monitor for symptoms. Do not induce vomiting unless instructed.
Immediately - liver toxicity is serious
YES - veterinary attention required for liver monitoring
Disclaimer: This information is for educational purposes only and is not a substitute for professional veterinary advice. Always consult your veterinarian for medical decisions.