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  • Writer's pictureBackyard Dog Care and Boarding

The Surprising Human Foods You Should Never Give Your Dog

Do you know which human foods are dangerous for dogs? Do you know how human foods can affect your dog? If you know the answers to these questions, that’s great, but if you don’t know, we’re here to help you. Dog owners love their dogs very much, and sometimes they feed them human foods to show their love, but they don’t know how dangerous it can be for their four-legged friend. So, here we’ll discuss some dog care tips and which human foods you should never give your dog.

14 Human Foods You Should Never Give Your Dog

We can understand that it’s not easy to say ‘no’ to the pleading eyes of a dog, but if you want to keep your dog healthy and live long, avoid feeding the below-given human foods.

1. Alcohol

Food products containing alcohol or alcoholic beverages can cause vomiting, diarrhea, depression, difficulty in breathing, abnormal blood activity, and in worst cases, can lead to death. So, you can never feed alcohol or alcoholic products to your dog.

2. Avocado

Avocados are never good for animals. They contain persin that can cause heart congestion, diarrhea, and vomiting. The pit is the most dangerous part, and it can cause choking. When your dog accidentally ingests pit, call your vet immediately. In case your dog has eaten only a tiny piece of avocado, there is no need to worry about but keep an eye on your dog so that you can consult a vet in case of abnormal symptoms.

3. Chocolate

Chocolates are dangerous for pets because they contain caffeine and theobromine, which stimulate the nervous system and heart rate. Your dog’s weight, type of chocolate, and quantity of chocolate will determine the impacts on the dog’s health. When your dog ingests too much, it can cause diarrhea, increased urination, restlessness, seizures, increased heart rate, and even death.

4. Cooked Bones

Cooked bones can easily splinter when dogs chew them. If you want to feed them, go for raw bones because they’re easy to chew and suitable for your dog’s health and nutrition. Ensure that you put the bones away from their reach.

5. Citrus

Stems, seeds, leaves, and fruits of citrus plants contain varying amounts of citric acid, which can cause central nervous system depression and irritation when ingested in A significant quantity. When consumed in small quantities, they will disturb the stomach and won’t cause any serious issues.

6. Coconut and Coconut Oil

When they are ingested in small amounts, they’ll not cause much damage. The flesh of milk and coconut can cause stomach upset and diarrhea. Moreover, coconut water is rich in potassium and can’t be suitable for dogs.

7. Grapes and Raisins

Some toxic substances are present in grapes and raisins that can cause kidney failure. Still, research is required to find which substances are toxic in grapes, but the best option is to avoid feeding grapes and raisins to your dog. It has been observed that even a small amount of these substances can make your dog sick, so the best option is to avoid them.

8. Salt

Ensure that the use of salt is limited in your dog’s food. Excessive salt intake can lead to water deprivation in dogs and cause vomiting, diarrhea, and seizures. The excessive use of salt can be fatal. Avoid feeding salty foods like chips to avoid adverse effects. So, if you want to PREVENT water deprivation in dogs, ensure that you always provide them excessive water.

9. Macadamia Nuts

They’re not good for dogs because of the presence of unknown toxins that can lead to muscle weakness, depression, hyperthermia, vomiting, and tremors. They can be dangerous even when they’re ingested in small amounts. Moreover, they have a high-fat content that can increase triglyceride levels and lead to pancreatitis.

10. Onions

The presence of N-Propyl disulfide in onions can be toxic to dogs because it can damage the red blood cells and result in oxygen deficiency, and can cause anemia. Lethargy, weakness, fainting, and decreased appetite are symptoms of anemia. In the worst cases, your dogs might need a blood transfusion. Keep your dogs away from onion products, such as juices, leaves, and onion powder because they can all be toxic to dogs.

11. Coffee and Tea

The presence of caffeine and tea and coffee make them dangerous for pets. Caffeine is never good for your dogs' nervous system and can lead to various issues like hyperactivity, diarrhea, increased heart rate, and seizures. When your dogs ingest too much caffeine, it can cause abnormal heart rhythm and lung failure.

Even a small amount of caffeine has been proven to be dangerous for dogs, so keep tea and coffee away from your dogs.

12. Xylitol

When we talk about dog care, another thing that you should avoid feeding your dog is xylitol. It’s an alternative to sugar and is mainly found in chewing gum, candy, and baked goods. When dogs ingest xylitol, it will lower blood sugar levels. As a result, the symptoms like seizures and muscle weakness started to appear.

In worst cases, xylitol can cause liver damage and death. So, the products that contain xylitol must be kept away from your dog’s reach.

13. Lemons

Lemons are toxic to dogs. Lemon’s skin contains a substance named psoralen that can cause issues like diarrhea and vomiting. When psoralen is consumed in a large amount, it can lead to severe symptoms like liver failure, difficulty walking, and death.

14. Human Vitamins and Supplements

Human vitamins and supplements are never good for dogs. A high amount of iron can result in iron toxicity in pets. When dogs ingest prenatal vitamins, it’s emergency time, and you need to consult your vet immediately.


Some human foods are safe for dogs, but all the above-mentioned human foods are toxic to dogs. So, when we talk about dog care, a dog’s diet is the most crucial factor. Never feed such foods to your dogs; otherwise, they can cause serious health issues.

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