Sago Palm Toxic?

Updated 2026-03-06| 2 min read| 4,432 found this helpful
Sago Palm
1

All parts of Sago Palm are toxic, with the highest concentration of dangerous compounds found in its seeds

2

Ingestion is toxic to cats, dogs, and horses, and carries a high risk of fatal liver failure even in small amounts

3

Immediate veterinary or medical care is critical if any part of the plant is consumed by an animal or human

FAQ

Is Sago Palm toxic to Humans?

Vomiting, diarrhea, jaundice, liver damage, neurological deficits, and potential fatal organ failure (Moderate)

Is Sago Palm toxic to Cats?

Vomiting, bloody stool, jaundice, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver failure, death (Moderate)

Is Sago Palm toxic to Dogs?

Vomiting (potentially bloody), diarrhea (potentially bloody), colic, weakness, ataxia, depression, seizures, coma, liver damage, jaundice, death (Moderate)

Is Sago Palm toxic to Horses?

Regurgitation, jaundice, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver damage, liver failure, death (Moderate)

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Toxicity Details

Humans
Moderate

Vomiting, diarrhea, jaundice, liver damage, neurological deficits, and potential fatal organ failure

Cats
Moderate

Vomiting, bloody stool, jaundice, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver failure, death

Dogs
Moderate

Vomiting (potentially bloody), diarrhea (potentially bloody), colic, weakness, ataxia, depression, seizures, coma, liver damage, jaundice, death

Horses
Moderate

Regurgitation, jaundice, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver damage, liver failure, death

Toxicity Snapshot

Toxic PartsAll parts of the plant, with significantly higher toxin concentration in the seeds
Exposure RoutePrimary exposure route is ingestion; skin contact with sap may cause mild irritation in sensitive individuals
Toxic CompoundsCycasin; Beta-methylamino-L-alanin (BMAA); Unidentified hepatic/neurotoxic compound

First Aid & Prevention

First 30 Minutes

  • • Remove any remaining plant material from the mouth of the exposed individual or animal
  • • Do not induce vomiting, give food, or administer medications unless explicitly directed by a medical or veterinary professional
  • • Collect a sample of the ingested plant to confirm identity for care providers

Contact Vet Immediately

  • • Any confirmed or suspected ingestion of any part of a Sago Palm plant
  • • Appearance of symptoms including vomiting, lethargy, jaundice, or unusual bruising post-exposure
  • • Seizures, loss of consciousness, or bloody stool/urine after potential contact with the plant

Prevention

  • • Keep Sago Palm plants fully out of reach of children, cats, dogs, and grazing animals including horses
  • • Clearly label Sago Palm plants on your property to prevent accidental ingestion by at-risk groups
  • • Never use any part of the plant for food, craft, or foraging purposes unless verified safe by a plant toxicology expert

Treatment & Prognosis

  • • Decontamination via induced vomiting and activated charcoal administration as clinically indicated
  • • Symptomatic therapy including mucosal protectants to address gastrointestinal tract damage
  • • Continuous monitoring of liver function for a minimum of 72 hours post-exposure
  • • Supportive care to manage coagulopathy, neurological symptoms, and liver damage as required
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Professional Toxicology

Scientific NameCycas revoluta, Zamia species
AliasesCoontie Palm、Cardboard Palm、cycads and zamias
Toxicity Grade
HumansModerate
CatsModerate
DogsModerate
HorsesModerate
Target Organs
LiverGastrointestinal tractCentral nervous systemVascular/coagulation system
Mechanism of Action

• Cycasin is metabolized by gut flora to methylazoxymethanol, a toxic metabolite that damages liver cells

• Beta-methylamino-L-alanin causes neurotoxic damage impacting motor and cognitive function

• Unidentified toxin contributes to coagulation dysfunction and abnormal tissue bruising

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle: Ingestion causes acute liver damage, jaundice, and potential fatal liver failure
Sheep: Consumption leads to vomiting, ataxia, and progressive liver dysfunction
Small companion mammals (rabbits, guinea pigs): Ingestion causes acute gastrointestinal damage and liver toxicity, with a high fatality rate
Confusion Risk

The following plants look similar and may be confused:

Other cycad species Cycas spp., Zamia spp.
Visually similar palm-like cycads in the Cycadaceae family, all carrying comparable toxicity risks; key differences are minor variations in leaf shape and seed size across species
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Related Toxic Plants

Queen Sago Palm
Queen Sago Palm
Cycas circinalis
Moderately toxic
Chestnut Dioon
Chestnut Dioon
Dioon edule
Moderately toxic
Mexican Cycad
Mexican Cycad
Zamia furfuracea
Moderately toxic

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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.

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