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Toxic: don't feed
Can Dogs Eat Walnuts? DogSafe severity score 5/10 Especially black and moldy walnuts can carry tremor-causing toxins, plus a blockage risk from the shells.
Call a vet or poison control now. Do not wait for symptoms.
ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661 . A consultation fee may apply.
Part of our guide to Can Dogs Eat Walnuts? Ingredients, Amount, Symptoms & What to Do .
Check Walnuts for your dog
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Amount eaten A lick / trace A small amount A moderate amount A large amount Not sure
Check Walnuts Why Walnuts is dangerous Especially black and moldy walnuts can carry tremor-causing toxins, plus a blockage risk from the shells.
Signs to watch for Tremors, vomiting, wobbliness, lethargy
Related items Check the exact item or ingredient before assuming two similar exposures carry the same risk.
A closer look at walnuts Especially black and moldy walnuts can carry tremor-causing toxins, plus a blockage risk from the shells. The details below use the specific facts for this exposure, rather than treating it like every other food question.
1. Start with the exact exposure For a closely related comparison, read Salt . Moldy or black walnuts are the real danger; even a few can cause tremors.
2. Use the facts to decide whether to monitor or call Another helpful reference is BBQ Dry Rub . None for moldy/black walnuts: act on any amount. Any moldy/black walnuts, or tremors and vomiting.
FAQ How much Walnuts is dangerous?
Moldy or black walnuts are the real danger; even a few can cause tremors.
Can I treat this at home?
None for moldy/black walnuts: act on any amount.
When should I call the vet?
Any moldy/black walnuts, or tremors and vomiting.
Compiled from veterinary poison-control and medical reference sources, including the ASPCA Animal Poison Control Center, the Pet Poison Helpline, and the Merck Veterinary Manual. This is general educational information, not a diagnosis or a substitute for examination by your veterinarian. DogSafe's severity ratings are our own assessment, calculated from published guidance and your dog's weight. In an emergency, call ASPCA Animal Poison Control at 888-426-4435 or the Pet Poison Helpline at 855-764-7661.
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