Is Dumb Cane Toxic to Dogs?

Yes — Dumb Cane is moderately toxic to dogs

Dumb Cane gets its name because the calcium oxalate crystals cause such intense oral swelling that it temporarily makes speech impossible.

Symptoms in Dogs

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

  • Intense oral pain
  • Swelling of mouth and tongue
  • Difficulty breathing
  • Excessive drooling
  • Inability to eat

What To Do

Rinse mouth immediately. Offer milk or ice chips. Seek vet care if swelling threatens airway.

Quick Facts

Dieffenbachia spp.

Yes (moderate)

Insoluble calcium oxalates and proteolytic enzymes

all parts, leaves, stems

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