Pictured: Buckeye

Poisonous to: Cats, Dogs

Level of toxicity: Generally mild to moderate

Common signs to watch for:

  • Drooling
  • Vomiting
  • Diarrhea
  • Walking drunk
  • Excitement
  • Depression
  • Tremors
  • Seizures

The buckeye (Aesculus spp.), commonly called the Horse Chestnut, contains a variety of toxins in their leaves and seeds. Ingestion can cause gastrointestinal irritation (including drooling, vomiting, and diarrhea). Large ingestions may result incoordination (e.g., walking drunk), depression, excitement/agitation, muscle twitching and seizures.

Poison type: plants

Alternate names: Aesculus, Horse Chestnut, Hippocastanaceae