My dog ate almonds, pecans, walnuts, pistachios — what should I do?
YELLOW — Call your vet today
What to do now
- Call your regular vet today (or a poison hotline if after hours).
- Watch closely for the symptoms below; if they appear or worsen, go to an emergency vet.
- Remove any remaining material and keep packaging/labels — the vet will want product names and amounts.
- Do not induce vomiting unless a vet or poison-control expert tells you to.
- Note the time it was eaten, roughly how much, and your dog's weight.
Why it's a problem
Not acutely toxic like macadamias, but high fat (pancreatitis), obstruction in small dogs, and moldy nuts can carry tremorgenic mycotoxins.
Symptoms to watch for
Vomiting, diarrhea; tremors if moldy.
When: Hours
⚠️ Moldy nuts or black walnut hulls -> RED.
Frequently asked questions
Is almonds, pecans, walnuts, pistachios dangerous for dogs?
It can be. Not acutely toxic like macadamias, but high fat (pancreatitis), obstruction in small dogs, and moldy nuts can carry tremorgenic mycotoxins. Call your vet today for advice.
What are the symptoms if my dog ate almonds, pecans, walnuts, pistachios?
Vomiting, diarrhea; tremors if moldy.
How soon do symptoms appear after a dog eats almonds, pecans, walnuts, pistachios?
Hours
Is there anything else to know about almonds, pecans, walnuts, pistachios?
Moldy nuts or black walnut hulls -> RED.
What should I do if my dog ate almonds, pecans, walnuts, pistachios?
Call your regular vet today (or a poison hotline if after hours). Watch closely for the symptoms below; if they appear or worsen, go to an emergency vet.
Who can I call for help?
ASPCA Animal Poison Control (888) 426-4435 or Pet Poison Helpline (855) 764-7661, both 24/7 (fees may apply), or your nearest emergency vet.
Dose guidance
No reliable dog-specific threshold is published for home use, so any amount should be discussed with your vet or a poison hotline.
Sources
- ASPCA: People Foods to Avoid Feeding Your Pets
- Merck Veterinary Manual: Tremorgenic mycotoxins (moldy food)
Last verified against these sources: 2026-10-13. Where sources disagree, PawPanic uses the more conservative guidance.
Also known as: almonds, pecans, walnuts, pistachio, cashew · Category: Food · Last reviewed 2026-10-14