Can Dogs Eat Walnuts?

Jan 16, 2024 | Dogs & Puppies | 0 comments

As a devoted pet owner, you’ve likely wondered whether sharing some of your favorite foods with your furry friend is safe. One such question often arises is, “Can dogs eat walnuts?” Let’s explore the potential risks and concerns associated with dogs consuming walnuts.

Are Walnuts Bad For Dogs?

Yes, walnuts can pose several risks to dogs, making them unsuitable for canine consumption. The high-fat content in walnuts can lead to gastrointestinal discomfort and potential digestive issues.

However, the concerns go beyond fat content; specific compounds found in walnuts can be toxic to dogs, raising alarm among veterinary experts.

While walnuts might be a delicious and nutritious snack for humans, the same may not be true for our canine companions.

It’s crucial to be aware of two primary factors contributing to the unsuitability of walnuts for dogs: black walnuts and the potential presence of toxic mold.

Black Walnuts

Black walnuts are often found in backyards and parks, and their fallen nuts might be tempting for dogs. Ingesting black walnuts can lead to gastrointestinal issues, vomiting, and even more severe reactions in sensitive dogs.

Additionally, juglone in black walnuts can further exacerbate the dangers of walnut consumption for dogs. Juglone is known to cause gastrointestinal issues, vomiting, and even more severe reactions in sensitive dogs.

Moreover, the potential for mold growth on walnuts, especially when stored in humid conditions, can introduce mycotoxins that harm a dog’s health, underscoring the need for utmost caution.

Symptoms After Eating Walnuts

Several symptoms may arise after a dog consumes walnuts, indicating potential health issues. It’s crucial to be vigilant and attentive to any changes in your dog’s behavior or well-being.

  • Gastrointestinal Upset: Dogs may experience vomiting, diarrhea, or general stomach discomfort due to the high-fat content of English Walnuts. Keep an eye out for these signs of digestive distress.
  • Lethargy: If your dog becomes unusually lethargic or lacks their usual energy levels after eating walnuts, it could indicate an adverse reaction.
  • Loss of Appetite: A sudden loss of interest in food can indicate something is amiss. If your dog refuses to eat after consuming walnuts, it’s a cause for concern.
  • Abdominal Pain: Dogs might display discomfort or pain in their abdominal area, often indicated by restlessness, pacing, or whining.
  • Vomiting: Repeated vomiting, mainly if it occurs shortly after eating walnuts, can indicate that the nuts are causing irritation or other issues in the digestive tract.
  • Diarrhea: Frequent or severe diarrhea can lead to dehydration and nutritional imbalances, so closely monitor your dog’s bowel movements.

The severity of symptoms can vary based on factors like the dog’s size, the amount of English Walnuts consumed, and individual sensitivity.

If you notice any of these symptoms after your dog has eaten walnuts, it’s essential to contact your veterinarian promptly. Early intervention can help prevent more severe health complications and ensure your furry friend receives the necessary care.



While sharing snacks with your furry companion might be tempting, walnuts are unsafe for dogs. To prioritize your dog’s well-being, choose dog-friendly treats specifically formulated to meet their dietary needs.


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Are there any types of nuts that are safe for dogs?

Some nuts, like unsalted and plain peanuts, can be safe in moderation, but it’s always recommended to consult your vet before introducing any new food to your dog’s diet.

What should I do if my dog has ingested walnuts?

If you suspect your dog has consumed walnuts, especially black walnuts, and they show signs of distress, contact your veterinarian immediately.

Can dogs eat walnut butter or products containing walnuts?

It’s generally best to avoid products containing walnuts, including walnut butter, as they still carry the same risks as whole walnuts.

Are there any other nuts that are beneficial for dogs?

Some dogs can tolerate small amounts of plain, unsalted peanuts, but it’s essential to remember that nuts are calorie-dense and should only be given occasionally.

How can I ensure my dog’s diet is safe and healthy?

Stick to high-quality dog food and consult your veterinarian before introducing human foods into your dog’s diet. They can provide tailored advice based on your dog’s specific needs.

What are some safe and healthy treats for dogs?

To promote oral health, many dog-friendly treats are available in pet stores, such as specially formulated biscuits and chew toys. Always opt for treats made with natural, dog-safe ingredients.



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