Is a sago palm toxic to cats?

Also called: Cycas revoluta, cycad, coontie palm, cardboard palm, Zamia, Japanese cycad

Toxic

Every part is toxic, especially the seeds, and it can cause fatal liver failure.

Yes, very. Every part of the sago palm is toxic, the seeds most of all, and it can cause liver failure and death.

Signs to watch for

  • Vomiting, black or bloody stools, yellowing of the skin and eyes, more drinking, bruising, liver damage and liver failure.

Why it's dangerous

  • It contains cycasin. The seeds are the most toxic part.

Sources

  • Toxic and Non-toxic Plants: Sago PalmASPCA Animal Poison Control · Read 9 October 2026
    Clinical Signs: Vomiting, melena, icterus, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver damage, liver failure, death.
    Toxic Principles: Cycasin
  • Top 11 Poisonous PlantsPet Poison Helpline · Read 9 October 2026
    While every part of the plant is toxic, the seeds are the most toxic part.
    These plants can cause severe stomach distress, fatal liver failure and potentially neurologic abnormalities.

Information from ASPCA Animal Poison Control and Pet Poison HelplineSources checked 9 October 2026

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