European buckthorn Toxic?
All parts of the plant are toxic, with seeds carrying the highest risk of fatal outcomes if ingested
Consumption triggers severe gastrointestinal symptoms including violent diarrhea that may be lethal for humans and animals
Horses are confirmed to develop severe diarrhea after eating the plant's leaves
FAQ
Is European buckthorn toxic to Humans?
Nausea, vomiting, intestinal colic, diarrhea, skin and mucous membrane irritation; severe potentially fatal diarrhea may occur, particularly after ingestion of seeds (High)
Is European buckthorn toxic to Cats?
No species-specific toxicity data is documented, but ingestion is expected to cause severe gastrointestinal distress consistent with reported human and equine symptoms (High)
Is European buckthorn toxic to Dogs?
No species-specific toxicity data is documented, but ingestion is expected to cause severe gastrointestinal distress consistent with reported human and equine symptoms (High)
Is European buckthorn toxic to Horses?
Severe diarrhea after ingestion of the plant's leaves (High)
Toxicity Details
Nausea, vomiting, intestinal colic, diarrhea, skin and mucous membrane irritation; severe potentially fatal diarrhea may occur, particularly after ingestion of seeds
No species-specific toxicity data is documented, but ingestion is expected to cause severe gastrointestinal distress consistent with reported human and equine symptoms
No species-specific toxicity data is documented, but ingestion is expected to cause severe gastrointestinal distress consistent with reported human and equine symptoms
Severe diarrhea after ingestion of the plant's leaves
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • If ingested and the exposed individual/animal is fully conscious, induce vomiting to remove remaining plant material
- • Rinse skin or mucous membrane exposure sites with cool, clean running water for at least 15 minutes
- • Remove all visible remaining plant fragments from the mouth of the exposed person or animal
Contact Vet Immediately
- • Any confirmed or suspected ingestion of the plant, especially seeds
- • Development of symptoms including vomiting, diarrhea, colic, or skin irritation
- • Ingestion by horses, as they are at documented risk of severe adverse effects
Prevention
- • Remove European buckthorn plants from areas accessible to children, pets, and grazing livestock
- • Wear waterproof protective gloves when handling the plant to avoid skin irritation
- • Educate foragers and gardeners to correctly identify this species to avoid accidental exposure
Treatment & Prognosis
- • Administer decontamination measures such as activated charcoal as directed by a medical or veterinary professional
- • Provide symptomatic care including fluid and electrolyte replacement to address dehydration from severe diarrhea
- • Administer anti-emetics and anti-spasmodic medications as needed to control vomiting and intestinal colic
Professional Toxicology
• Anthracene derivatives in the plant irritate the gastrointestinal mucosa, causing inflammation and increased intestinal motility leading to diarrhea
• Alkaloid compounds contribute to mucosal irritation and potential systemic toxic effects
• Severe prolonged diarrhea can lead to dangerous dehydration, electrolyte imbalance, and potentially fatal shock
Information from CliniTox veterinary text.
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Data Sources
This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.