Diet problems

Forbidden Foods for Dogs

Josie F. Turner
By Josie F. Turner, Journalist specialized in Animal Welfare. Updated: July 23, 2019
Forbidden Foods for Dogs

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If you are wondering how many forbidden foods for dogs there are, you've come to the right place. This AnimalWised article includes a comprehensive list of everything you should avoid giving your pets.

If you want to start a BARF diet or just wish to prepare your dog's food, it is very important that you know all the foods that can be harmful to your pet's health.

Keep reading this article to see the complete list and don't forget to get informed about the health, nutrition and care of your pet.

You may also be interested in: Forbidden Foods for Cats
  1. Coffee
  2. Chocolate
  3. Milk and cheese
  4. Yeast
  5. Nuts
  6. Salt
  7. Alcohol
  8. Raw eggs
  9. Fruit and vegetables


Coffee is a stimulating drink due to it containing Trimethylxanthine. In addition to dependence, the consumption of trimethylxanthine has potent stimulating effects on the central nervous system and other effects on the cardiovascular system. They are also present in tea or cola.

Juts like humans, too much coffee has serious consequences on the body causing vomiting, agitation and perhaps even death.

Forbidden Foods for Dogs - Coffee


As we mentioned in our article on why dogs can't eat chocolate, dogs are unable to metabolise theobromine. Therefore, it is considered a forbidden food for dogs.

Giving your dog chocolate in excessive amounts can cause symptoms such as diarrhoea, vomiting, dehydration and may even cause a dog to die. Still, even in small pieces, it is also a harmful product as it increases cardiac contractility.

Forbidden Foods for Dogs - Chocolate

Milk and cheese

As is the case with chocolate, dogs are unable to metabolize milk, which is why you must not offer it. It is a non-fatal but harmful product, that causes vomiting, diarrhea and various gastrointestinal problems.

Only give your dog milk specifically designed for dogs when they are growing up.

Cheese is not as harmful as milk but too much of it can lead to pancreatitis or more serious problems if your dog is lactose intolerant. You should generally avoid this kind of food.

Forbidden Foods for Dogs - Milk and cheese


Conventional yeasts used for cakes and other recipes become a toxic product within a dog's body. The consequences can be the accumulation of gases, vomiting, pain, malaise and lethargy.

Forbidden Foods for Dogs - Yeast


You must remove any traces of nuts in your dog's diet due to its large amount of phosphorus. The effects of excessive intake may be vomiting, muscle pain, weakness, dizziness, tremors, fever and even kidney failure in dogs.

Some nuts can be really lethal. Macadamia nuts should be avoided.

Forbidden Foods for Dogs - Nuts


Too much salt is harmful to the health of your dog. Vomiting or diarrhea are the visible symptoms, but there are more serious consequences you cannot see. Dogs with heart problems can be greatly affected and worsen their situation if ingested.

Forbidden Foods for Dogs - Salt


Although we do not believe that anyone is capable of giving alcohol to a dog, it could happen by accident if you don't look after your bottles. An excess of this causes similar symptoms in humans: toxicity affecting producing vomiting and even coma.

Forbidden Foods for Dogs - Alcohol

Raw eggs

If you use eggs in your BARF diet you must make sure they are good quality and in good condition before offering them. The risk of getting salmonella is the same that could happen to us.

However, the egg is a very beneficial for our pet product, you can boil it and offer it once a week to improve hair shine. It is also a source of protein and taurine.

Forbidden Foods for Dogs - Raw eggs

Fruit and vegetables

Fruits and vegetables should be present in your dog's diet (over 15%) and should be regularly consumed. In our article on fruit and vegetables forbidden for dogs we mention which are the most harmful.

Undoubtedly the most important thing to know is the consumption of avocado can be a real risk to your dog's health. This is due to its high content in Persina, vegetable fat and toxins. It is a toxic food and the most serious consequences can include pancreatitis, pulmonary system deficiencies and can even affect the heart.

Citrus is not a toxic food but the truth is that they are high in sugar and can lead to obesity and when eaten in excess, it can cause intestinal discomfort.One portion of onions, garlic, leeks or scallions can cause toxicity in dogs with a high risk of anaemia. The subsequent intake of this type of food can lead to serious and irreparable health problems.

Grapes directly affect the liver and / or kidney. Dogs may even develop kidney failure if their consumption becomes habitual. Remember that seeds and fruit seeds should always be removed from the food, as it is the most toxic part of it.

Just like us humans, potato or yam oil is a toxic product within our body. You can provide it no problem as long as you boil it first.

We hope you found this useful. If so, you may be interested in this: Forbidden foods for cats

Forbidden Foods for Dogs - Fruit and vegetables

If you want to read similar articles to Forbidden Foods for Dogs, we recommend you visit our Diet problems category.

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Forbidden Foods for Dogs