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Is Rhubarb Leaves toxic to dogs and cats?

Rheum rhabarbarum · Polygonaceae

Yes — Rhubarb Leaves is toxic to pets (high). Dogs, cats and rabbits with garden access

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Is Rhubarb Leaves toxic to cats?Is Rhubarb Leaves toxic to dogs?
My pet just ate this
Why it is toxic

Soluble oxalates in the leaf blade, which bind blood calcium

How fast symptoms appear: Within a few hours

Symptoms of poisoning
  • Vomiting
  • Drooling
  • Tremors
  • Weakness
  • Kidney damage after a large ingestion
What to do first
  1. Call the vet if leaf blade was eaten; the stalk itself is far lower risk.
  2. Never offer rhubarb leaves to rabbits as greens.
(888) 426-4435ASPCA Animal Poison Control Center (855) 764-7661Pet Poison Helpline
What your vet will do
Intravenous fluids, blood calcium monitoring and kidney support.

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Sources: ASPCA Animal Poison Control Center plant list; Merck Veterinary Manual, Toxicology. PetPlantGuard is complementary to veterinary care and never replaces your vet.