Can Dogs Eat Rhubarb?
Rhubarb leaves are toxic — they contain high levels of oxalic acid which can cause kidney damage. The stalks are less dangerous but can still cause digestive upset.
Rhubarb leaves are toxic to dogs
Rhubarb leaves contain concentrated oxalic acid and soluble oxalate salts, which can cause kidney failure in dogs. The stalks contain lower levels but can still cause oral irritation, drooling, and digestive upset. If your dog ate rhubarb leaves, seek veterinary care immediately.
Get emergency help →Need Emergency Help Right Now?
If your dog has consumed rhubarb and is showing severe symptoms — such as vomiting, tremors, seizures, or collapse — they may need in-person emergency veterinary care immediately. If this is the case, we recommend calling our partner Pet Poison Helpline ($85 consultation fee). They work directly with your emergency vet to guide treatment and help resolve your pet's case faster.
How urgent is this?
Go to the ER now
- ● Dog ate rhubarb leaves
- ● Tremors, seizures, or collapse
- ● Blood in urine or very dark urine
- ● Excessive drooling with swollen mouth/tongue
See a vet within 24 hours
- ● Dog ate rhubarb stalks — vomiting or diarrhea
- ● Pawing at mouth or drooling excessively
- ● Decreased urination (possible kidney involvement)
Watch at home, call if it worsens
- ● Dog nibbled a tiny piece of rhubarb stalk
- ● Dog sniffed rhubarb plant but didn't eat any
- ● Mild drooling that resolves quickly
What to Do Right Now
Rhubarb leaves are an emergency. The stalks are less dangerous but still problematic.
- Determine if your dog ate the leaves or the stalks
- If leaves were eaten, call your vet or poison helpline immediately
- Do not induce vomiting unless directed by a veterinarian
- Watch for drooling, oral irritation, vomiting, tremors, or changes in urination
- Bring a sample of the plant to the vet if possible
Common Questions
What makes rhubarb leaves so toxic?
Are rhubarb stalks safe for dogs?
How quickly do symptoms appear?
Sources
- Rhubarb Toxicity — ASPCA
- Oxalate Poisoning in Animals — Merck Veterinary Manual
Disclaimer: The information provided in this article is for educational purposes only and does not constitute veterinary medical advice. Reading this content does not establish a veterinarian-client-patient relationship. Every pet is different — always consult a licensed veterinarian before making decisions about your pet's health, diet, or care. If you'd like personalized guidance, you can talk to one of our vets. If your pet is experiencing a medical emergency, contact your local emergency animal hospital immediately.