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If your dog ate english walnut 'serr' — do this now

  1. Take the plant away and clear any pieces from their mouth.
  2. Do not induce vomiting unless told to by a professional.
  3. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 now.

English Walnut 'Serr' is toxic to dogs (ASPCA).

Pet emergency

My dog ate English Walnut 'Serr' — what to do

Step by step

  1. Take english walnut 'serr' away and remove any plant material from your dog's mouth so they cannot eat more.
  2. Note roughly how much was eaten and when — this helps the vet judge the risk.
  3. Do NOT induce vomiting unless a vet or poison-control specialist tells you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice.
  5. Watch for drooling, pawing at the mouth, vomiting, loss of appetite, or lethargy, and bring a leaf or photo to the appointment.

This is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide as well as the plant. When in doubt, call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435.

My dog ate english walnut 'serr' — FAQ

Is english walnut 'serr' poisonous to dogs?

Yes — the ASPCA lists English Walnut 'Serr' (Juglans regia 'Serr') as toxic to dogs. Juglans is not individually listed by the ASPCA, yet walnuts are documented hazards to dogs: moldy nuts and hulls can carry tremorgenic mycotoxins (penitrem A) that cause tremors and seizures, and the fatty kernels risk GI upset and pancreatitis. Juglone in hulls and roots is toxic to horses. Remove fallen nuts and hulls and check any ingestion with a vet.

How serious is it if my dog ate english walnut 'serr'?

English Walnut 'Serr' is toxic to dogs and reactions can be significant, so treat any ingestion as urgent. Call your vet or poison control on (888) 426-4435 straight away rather than waiting to see if symptoms develop.

What symptoms should I watch for?

Signs usually appear soon after chewing: drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy. Juglans is not individually listed by the ASPCA, yet walnuts are documented hazards to dogs: moldy nuts and hulls can carry tremorgenic mycotoxins (penitrem A) that cause tremors and seizures, and the fatty kernels risk GI upset and pancreatitis. Juglone in hulls and roots is toxic to horses. Remove fallen nuts and hulls and check any ingestion with a vet. Any worsening or persistent symptoms warrant an immediate vet visit.

Should I make my dog vomit?

No — do not induce vomiting unless a vet or the ASPCA Animal Poison Control Center specifically tells you to. The wrong action can make things worse. Call (888) 426-4435 and follow professional advice.

How do I stop this happening again?

Keep english walnut 'serr' well out of reach, or swap it for an ASPCA non-toxic plant — see the best dogs-safe plants list.

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