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Is Sago Palm toxic to dogs or cats?

Category: Plant | Last reviewed: April 2026

Quick verdict

Dogs

EMERGENCY

Cats

EMERGENCY

Sago Palm and dogs

EMERGENCY
Severity: Critical

All parts of the sago palm are highly toxic, but the seeds are the most dangerous. As few as one or two seeds can be fatal. Cycasin causes acute liver failure. The sago palm is a popular ornamental plant in warm-climate gardens and increasingly common as a houseplant.

Onset

15 minutes for GI symptoms; liver failure 2-3 days

Symptoms

  • - vomiting
  • - diarrhoea
  • - black tarry stools
  • - bruising
  • - liver failure
  • - coagulopathy
  • - death

What to do now

CRITICAL EMERGENCY. Rush to an emergency vet immediately. Do not wait. Survival rates drop sharply with delayed treatment. Call ASPCA Poison Control (888-426-4435) while in transit.

Sago Palm and cats

EMERGENCY
Severity: Critical

Equally toxic to cats. All parts are dangerous, seeds most of all.

Onset

15 minutes to hours

Symptoms

  • - vomiting
  • - liver failure
  • - death

What to do now

CRITICAL EMERGENCY. Rush to an emergency vet immediately.

Data sources

Last reviewed: April 2026

Data error? Email data@treatortoxic.com with a source reference.

Also see: Dog toxin hub | Cat toxin hub | Emergency guide
Not veterinary advice. If your pet has ingested any potentially toxic substance, call ASPCA Poison Control 888-426-4435 or Pet Poison Helpline 855-764-7661 immediately. For emergencies, contact your veterinarian. This site is educational only.