What to Do If My Dog Took A Walnut?

English walnuts may not be toxic to dogs, but they do present a choking hazard and are high in fat content. Offering them regularly as snacks may result in bloat, stomach blockage, or pancreatitis symptoms for your pup.

Black walnuts, however, are toxic and susceptible to mold that is dangerous for dogs. Furthermore, they contain juglone which is toxic to pets.


As is the case with most things, whether or not walnuts cause your pup to experience any adverse effects depends on both their size and how much they consume. A sliver will usually pass without incident for Chihuahuas but may prove dangerous for a larger breed such as Newfoundlands. Furthermore, peanut allergy increases their chances of an adverse reaction from eating walnuts.

When dogs ingest whole walnuts, their digestive tract can break them down into toxic juglone that binds with proteins in their throat, esophagus, stomach and intestinal walls and causes similar irritation as eating poison ivy. Furthermore, whole black walnuts may irritate and blister their mouth skin resulting in discomfort for your pet.

If your dog swallows a piece of walnut and it becomes lodged in their throat, this is an immediate medical emergency. Choking can result in blockage of their airway which is potentially life threatening; small dogs or puppies should contact a vet immediately if this happens to them. Signs of choking include pawing at their mouths, trying to cough or retch repeatedly, excessive drooling or turning blue around the tongue and gums – these should all indicate choking as early warning indicators!

Your dog might show symptoms of eating walnuts by vomiting. Intense abdominal pain or diarrhea could also ensue as walnuts contain toxins which bind with kidney and liver tissue and cause damage; should this occur, your vet should conduct urinalysis and blood work tests in order to reach an accurate diagnosis.

To prevent your dog from becoming sick after eating walnuts, remove them from their reach on the ground (particularly if they’re growing mold) and store them safely away in a closed container where your furry friend cannot reach them. Furthermore, consider pet insurance to ease financial strain caused by expensive veterinary bills while guaranteeing they receive proper treatment when required.


Walnuts should not be part of any dog’s daily diet. High in fats that can aggravate their stomach or cause diarrhea, they pose a choking hazard, and some varieties contain mold that produces mycotoxins which cause seizures in pets.

Rather than trying to feed it to them yourself, calling your vet immediately would be the most prudent step in case your pup accidentally consumes walnuts. They will provide guidance as to what steps are best taken next.

Most times, eating one walnut won’t cause any issues; however, English walnuts and black walnuts contain juglone which is toxic to dogs. Furthermore, walnuts may become contaminated with toxic molds on either their kernel or shell that should not be consumed – as any form of mold should not be eaten!

If a walnut becomes lodged in your dog’s throat, they should visit their veterinarian to have it extracted using special tools and administer an emetic to induce vomiting. In extreme cases, however, you may need to perform the Heimlich maneuver instead.

Attempts at self-removal of a stuck walnut can be extremely dangerous, as not having it removed quickly could result in a bowel obstruction and lead to fatal consequences for your dog if left untreated immediately.

Pet owners should know that it’s common for their pups to ingest unexpected items when playing outside, known as pica. While not normal, your dog could chew and swallow a walnut while playing, leading to pancreatitis – which causes inflammation and pain in the pancreas as well as damage to organs in their GI tract such as liver damage. Pancreatitis also leads to dehydration and malnutrition for affected dogs; symptoms often include being lethargic, developing tremors, trouble sleeping through the night, difficulty sleeping, excessive drooling etc.


Walnuts may not be toxic in small quantities for dogs, but consuming black or moldy ones, or one found outdoors that was collected, can become potentially lethal if eaten by your pup. Due to their high moisture content, walnuts are susceptible to growing mold which produces mycotoxins which are toxic for canines.

Fungus-derived toxins can produce various symptoms in dogs, such as vomiting, tremors and seizures. Affected dogs may also drool excessively while pawing at their mouth or throat and experiencing difficulty breathing; severe cases could even result in choking incidents that could be life-threatening.

If your dog appears to have consumed a walnut, they should be brought immediately to a veterinarian for treatment. A vet will determine whether the nut can pass easily through or whether it has become lodged somewhere within your pet’s intestinal tract – something smaller breeds of dog may struggle with and even prove fatal without immediate intervention from vets. They may induce vomiting or give an IV fluid flush of fluids through to help flush toxins from their system and restore health.

As much as it would be ideal to share food with your pets, if necessary it is essential that you first consult your vet. Your veterinarian can ensure your pup is receiving all the essential vitamins and nutrients from its food source, and recommend safe “people foods” you can feed your pup. When choosing snacks like carrot sticks and celery instead of walnuts altogether – fencing the tree or stripping nuts before maturity will ensure none end up consumed by your pups! Additionally, keep shells far out of reach as these could potentially cause intestinal blockages which poses risks particularly high for puppies or small breeds of dogs!


Walnuts’ pointed shell and shatterable pieces can be difficult for dogs to digest, potentially leading to intestinal blockages or puncturing their stomach lining. Furthermore, the pieces may become lodged in their throat causing choking which may prove fatal.

Black walnuts contain juglone, which is toxic for dogs. Furthermore, they may also contain mycotoxins that produce seizures and tremors due to mold growth or fungi activity.

English walnuts are often sold at pet stores and should be safe for your pups to consume. However, if they are not cleaned properly or your pup snags one off of the ground and chews it without washing his mouth out first, an infection caused by mold could develop that could result in lethargy, diarrhea, vomiting, jaundice liver damage, tremors, or gastrointestinal upset.

Avoid giving your pup walnuts without getting specific approval from a vet first; instead opt for safer treats like fruits and vegetables as healthy treats for their pups.

Many may assume it is okay for their dogs to eat walnuts since they contain omega-3 fatty acids, protein and antioxidants; however, most pet foods already provide ample amounts of these essential nutrients in their daily diets.

Your vet can recommend suitable snacks that won’t aggravate food allergies in your canine companion, providing him with safe alternatives that may include “people food”.

Walnuts should only be added to your dog’s diet as part of a treat; otherwise they do not contribute anything essential for his/her wellbeing and could potentially even be hazardous.

Lisa Thompson

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