Pupkeeper
Toxic

Is peace lily toxic to dogs? Yes: mildly toxic

Mildly toxic. Peace lily crystals irritate the mouth and stomach and cause drooling and vomiting, but serious problems are very rare.

If your dog ate or touched this, call your vet or a pet poison line now

Poison lines in other countries: United Kingdom, Canada, Australia, New Zealand, Belgium, France, JM, PR, Singapore, Switzerland, TT, VI
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Peace lily and dogs: key facts

Verdict
Toxic · Call your vet or a poison line
What it can do
Mouth pain and burning, heavy drooling, vomiting, diarrhea and trouble swallowing. All 6
What to do now
Call your vet or a pet poison line now. All steps
Sources
ASPCA Animal Poison Control, ASPCA, Pet Poison Helpline. Reviewed 9 October 2026.

What should I do if my dog ate peace lily?

  1. Call your vet or a pet poison line now.
  2. Take any plant pieces away and rinse your dog's mouth with water.
  3. Go to a vet right away if your dog has trouble swallowing or breathing.

Don't

  • Don't make your dog vomit unless a vet tells you to.
  • Don't give milk, oil, salt or other home remedies unless a vet tells you to.

Symptoms to watch for

  • Mouth pain and burning
  • Heavy drooling
  • Vomiting
  • Diarrhea
  • Trouble swallowing
  • Trouble breathing from mouth swelling (very rare)

Why

Peace lilies contain insoluble calcium oxalate crystals that are released when the plant is chewed. It is not a true lily.

Sources

Guide reviewed 9 October 2026. Page updated 7 November 2026.

General information from the sources above, not a diagnosis. When in doubt, call your vet.