PlantFunHoary plantain Toxic?
The entire plant contains low levels of aucubin, which loses all toxicity when the plant is dried into hay
Ingestion of fresh plant material can cause gastrointestinal inflammation, inhibited digestion, diarrhea and colic
The plant is rarely eaten voluntarily by animals, and hay with ≤10% Plantago species content is considered safe for livestock feed
FAQ
Is Hoary plantain toxic to Humans?
Gastrointestinal inflammation, reduced digestive function, diarrhea, and abdominal cramping (colic) (Low)
Is Hoary plantain toxic to Cats?
No confirmed species-specific toxicity data available; ingestion may cause mild to moderate digestive distress (Low)
Is Hoary plantain toxic to Dogs?
No confirmed species-specific toxicity data available; ingestion may cause mild to moderate digestive distress (Low)
Is Hoary plantain toxic to Horses?
No confirmed species-specific toxicity data available; ingestion of large amounts of fresh plant may cause mild to moderate digestive distress (Low)
Toxicity Details
Gastrointestinal inflammation, reduced digestive function, diarrhea, and abdominal cramping (colic)
No confirmed species-specific toxicity data available; ingestion may cause mild to moderate digestive distress
No confirmed species-specific toxicity data available; ingestion may cause mild to moderate digestive distress
No confirmed species-specific toxicity data available; ingestion of large amounts of fresh plant may cause mild to moderate digestive distress
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • Rinse mouth thoroughly with clean water to remove remaining plant residue
- • Collect a sample of the ingested plant for professional identification
- • Do not induce vomiting unless explicitly directed by a medical or veterinary provider
Contact Vet Immediately
- • If large quantities of fresh plant have been ingested
- • If severe symptoms including persistent diarrhea, extreme abdominal pain, or refusal to eat develop
- • If the affected individual is a young child, juvenile animal, or has pre-existing gastrointestinal conditions
Prevention
- • Regularly remove hoary plantain from areas accessible to children, pets, and grazing livestock
- • Screen hay supplies to ensure Plantago species content does not exceed 10% for livestock feed
- • Avoid consuming or feeding unknown wild Plantago species without positive identification
Treatment & Prognosis
- • Gastric decontamination (e.g. activated charcoal administration) if ingestion is recent and clinically indicated
- • Symptomatic care including fluid and electrolyte replacement for dehydration caused by diarrhea
- • Prescription anti-inflammatory medications to reduce gastrointestinal tract irritation as needed
Professional Toxicology
• Aucubin, the primary toxic compound, irritates the gastrointestinal tract mucosal lining, disrupts normal digestive enzyme activity, and triggers localized inflammatory responses
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.