PlantFunCycads Toxic?
All Cycad species are confirmed toxic to cats, dogs, horses and cattle
Ingestion of just 1-2 Cycad seeds can lead to fatal outcomes in affected animals
Core toxic compounds include cycasin, BMAA, and an unconfirmed cattle-specific neurotoxin
FAQ
Is Cycads toxic to Humans?
No specific human toxicity data is provided, but ingestion is expected to cause gastrointestinal distress and potential liver damage (Moderate)
Is Cycads toxic to Cats?
Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death (Severe)
Is Cycads toxic to Dogs?
Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death (Severe)
Is Cycads toxic to Horses?
Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death (Severe)
Toxicity Details
No specific human toxicity data is provided, but ingestion is expected to cause gastrointestinal distress and potential liver damage
Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death
Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death
Vomiting (may be bloody), dark stools, jaundice, increased thirst, bloody diarrhea, bruising, liver failure, death
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • Immediately remove remaining plant material from the exposed animal's mouth and surrounding area
- • Do not induce vomiting unless explicitly instructed by a licensed veterinarian
- • Collect a sample of the ingested plant to support accurate veterinary diagnosis
Contact Vet Immediately
- • Any confirmed or suspected ingestion of Cycad plant material, even if no symptoms are present
- • Appearance of symptoms including bloody vomiting, bloody diarrhea, jaundice or unusual bruising
- • Sudden lethargy, increased thirst or abnormal behavior after potential Cycad exposure
Prevention
- • Keep all Cycad plants (including potted Sago Palms) fully out of reach of pets, horses and livestock
- • Regularly clear fallen Cycad seeds and fronds from areas accessible to animals
- • Educate household members and farm staff on Cycad appearance and high toxicity risk
Treatment & Prognosis
- • Veterinary decontamination (vomit induction, activated charcoal) if ingestion occurred within 2 hours
- • Supportive care including IV fluids, liver protectants and bleeding/gastrointestinal symptom management
- • Long-term liver function monitoring for several weeks post-exposure in surviving animals
Professional Toxicology
• Cycasin causes direct hepatotoxicity leading to liver necrosis and organ failure
• B-methylamino-l-alanine acts as a neurotoxin impairing normal neural function
• Unidentified neurotoxin specifically causes neurological damage in exposed cattle
Information from CliniTox veterinary text.
The following plants look similar and may be confused:
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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.