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Toxic

Can dogs eat rhubarb? No: toxic

Toxic. Rhubarb leaves contain soluble oxalates that can cause drooling, tremors and kidney failure. The stalks contain very little.

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

United States

ASPCA Poison Control+1 (888) 426-443524/7, 365 days a year · A consultation fee may apply · Run by the ASPCA for pet owners and vets.
Pet Poison Helpline+1 (855) 764-766124/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean.

Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand

United Kingdom

Animal PoisonLine+44 1202 50900024 hours a day · A fee applies; their website has the current price · Run by the Veterinary Poisons Information Service for pet owners; for collapse, fits or breathing trouble, call your vet.

Australia

Animal Poisons Helpline1300 869 73824/7 · From A$75 per consultation; their website has the current price · Staffed by poisons information consultants with emergency vet or pharmacy backgrounds.

Canada

Pet Poison Helpline+1 (855) 764-766124/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean.

New Zealand

NZ Animal Poisons Helpline0800 869 73824/7 · Charges apply · The NZ National Poisons Centre does not advise on animals and refers pet owners here.

Find an emergency vet

What to do now

Call your vet or a pet poison line now.
Note what was eaten, roughly how much, and when.
Tell the vet whether your dog ate leaves or only stalks.

Don't

Don't make your dog vomit unless a vet tells you to.

Signs to watch for

Drooling
Vomiting
Weakness
Tremors
Increased urination
Signs of kidney failure

Why

Soluble oxalates in rhubarb leaves can lower blood calcium and injure the kidneys. The stalks contain very little and are not a poisoning concern.

Sources

Guide reviewed 9 October 2026.

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