Is Dieffenbachia Toxic to Dogs?

Yes — Dieffenbachia is moderately toxic to dogs

Named 'Dumb Cane' because it can temporarily render victims unable to speak due to throat swelling, Dieffenbachia is particularly dangerous because of the intensity of the reaction. The combination of oxalates and proteolytic enzymes makes it more irritating than most Araceae plants.

Symptoms in Dogs

If your dog eats Dieffenbachia, watch for these symptoms (onset: Immediate):

  • Intense oral burning
  • Excessive drooling
  • Tongue swelling
  • Difficulty breathing (if throat swells)
  • Vomiting

What To Do

Rinse mouth immediately. If throat swelling occurs, seek emergency vet care. Monitor breathing closely.

Quick Facts

Dieffenbachia spp.

Yes (moderate)

Insoluble calcium oxalates, proteolytic enzymes

all parts, especially stems

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline. View full Dieffenbachia toxicity profile.