How much walnuts can I give my dog?

Walnuts is not recommended for dogs.

Can Dogs Eat Walnuts?

Q: Can dogs eat walnuts?

Walnuts are not recommended for dogs. Prone to mold (causes seizures), large size is a choking risk, and high fat content risks pancreatitis. Black walnuts are especially dangerous.

Q: Is walnuts toxic to dogs?

Yes, Walnuts is risky to dogs. Walnuts are not recommended for dogs, though they are not as immediately toxic as macadamia nuts. The primary concerns are: (1) Walnuts are prone to fungal mold, which produces tremorgenic mycotoxins that can cause seizures and neurological symptoms; (2) Their large size poses a choking and intestinal obstruction risk, especially for small dogs; (3) High fat content contributes to pancreatitis risk; (4) Black walnuts are particularly dangerous and should never be fed. If your dog eats a fresh, clean English walnut, they will likely be fine, but walnuts should not be an intentional treat.

Short Answer: Not Recommended⚠️ Risky

Quick Facts

Safety Level

⚠️ Risky

Detailed Information

Walnuts are not recommended for dogs, though they are not as immediately toxic as macadamia nuts. The primary concerns are: (1) Walnuts are prone to fungal mold, which produces tremorgenic mycotoxins that can cause seizures and neurological symptoms; (2) Their large size poses a choking and intestinal obstruction risk, especially for small dogs; (3) High fat content contributes to pancreatitis risk; (4) Black walnuts are particularly dangerous and should never be fed. If your dog eats a fresh, clean English walnut, they will likely be fine, but walnuts should not be an intentional treat.

⚠️ Warnings & Preparation

⚠️Black walnuts are particularly dangerous
⚠️Walnuts are prone to mold — moldy walnuts contain tremorgenic mycotoxins that cause seizures
⚠️Large size poses choking and obstruction risk for small dogs
⚠️High fat content — pancreatitis risk

Symptoms to Watch For

If ingested, watch for:

GI upsetMoldy walnuts contain tremorgenic mycotoxins — seizuresObstruction risk

Looking for Safe Treats?

🛒 Walnuts-flavored dog treats 🛒 Walnuts dog treats 🛒 Peanut butter dog treats 🛒 Dog treat puzzle toys

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Data Accuracy

All food safety data is sourced from peer-reviewed veterinary references and established animal health organizations. While we strive for accuracy, new research may change safety classifications. Last reviewed: August 2026. Report an error: support@pawscale.com

📎 Sources

https://www.aspca.org/pet-care/aspca-poison-control/people-foods-avoid-feeding-your-pets

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Disclaimer

This information is based on data from ASPCA, AKC, and Merck Veterinary Manual. Individual dogs may have allergies, sensitivities, or health conditions that affect food safety. The serving guidelines are general recommendations — your veterinarian can provide personalized advice based on your dog's specific needs. PawScale is not liable for any adverse reactions resulting from the use of this information.

Data sources: Source 1. Last reviewed: August 2026. Report an error: support@pawscale.com

Medical Disclaimer

The information on PawScale is for educational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult your veterinarian before making changes to your dog's diet. If you suspect your dog has ingested a toxic substance, contact your veterinarian or the ASPCA Animal Poison Control Center (888) 426-4435 immediately.