Is Buttercup poisonous to dogs and cats?

Updated 2026-09-30 · 2 sources

Based on: Pet Poison Helpline, NC State Extension Gardener Plant Toolbox

Call a vet today

Buttercup is poisonous to dogs and cats – call your vet today for advice if your pet has eaten any of it. The toxin is released when the plant is crushed or chewed.

  • Dogs Call a vet today
  • Cats Call a vet today

What to do right now

  1. Call your vet for advice.
  2. Note which plant, which part, how much and when.
  3. Take a photo or a piece of the plant with you.
  4. Remove what is left and move the plant out of reach.
  5. Keep your pet calm.

Don't

  • Do not make your pet vomit unless a vet tells you to.
  • Do not give any human medicine.

Why it can be dangerous

Buttercup is listed as a problem for cats and dogs.[2] The toxin is released when Buttercup is crushed or chewed.[1]

Signs to watch for

  • Mouth ulcers
  • Burning of the mouth
  • Abdominal pain
  • Vomiting
  • Diarrhea
  • Excess saliva
  • Wobbly gait
  • Loss of appetite
Scientific name
Ranunculus
Poisonous parts
bark, flowers, fruits, leaves, roots, sap/juice, seeds, stems

What the experts say

“Problems: Contact Dermatitis, Poisonous to Humans, Problem for Cats, Problem for Dogs, Problem for Horses, Weedy”

— NC State Extension Gardener Plant Toolbox [2]
If your pet is struggling to breathe, has collapsed, is having a seizure or can't stand up: go to the nearest vet now.

Not sure how serious it is?

OkPaw asks a few quick questions about your pet and tells you in 30 seconds whether it can wait. Free on Google Play for Android.

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OkPaw is on Android now – an iPhone version is on its way.

Common questions

Is Buttercup poisonous to cats as well as dogs?

It is listed as a problem for cats and dogs.[2]

What happens if Buttercup is chewed?

The toxin is released when the plant is crushed or chewed.[1]

What signs are listed?

Listed signs include burning of the mouth, abdominal pain, vomiting, diarrhea, depression, loss of appetite, excess saliva, mouth ulcers and a wobbly gait.[2]

Sources

  1. Pet Poison Helpline
  2. NC State Extension Gardener Plant Toolbox

How this page was made: written with the help of AI from the sources below, then checked claim by claim against those sources. Urgency levels follow OkPaw’s fixed safety rules. It is guidance, not a diagnosis. How we write our pages

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