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A border collie dog eating food off a white plate.

10 Human Foods Dogs Should Avoid

What Foods are Bad for Dogs?

As pet owners, we often share our lives—and occasionally our meals—with our furry companions. However, not all human foods are safe for dogs, and some can be downright toxic. Ensuring your dog has a healthy and balanced diet is essential for their well-being, which is why many pet owners turn to trusted options like The Farmer's Dog. Their fresh, tailored meal plans are designed to meet your dog’s nutritional needs while avoiding harmful ingredients.

Below, we explore common human foods that are toxic to dogs, explaining why they should be avoided and the potential risks they pose to your pet.

1. Chocolate



Chocolate contains theobromine and caffeine, substances that dogs metabolize slowly. These compounds can cause symptoms ranging from vomiting and diarrhea to seizures and even death in severe cases. Dark chocolate and unsweetened baking chocolate are especially dangerous due to their higher theobromine content.

2. Grapes and Raisins

Even small amounts of grapes or raisins can lead to acute kidney failure in dogs. The exact toxic compound is unknown, but symptoms such as vomiting, lethargy and decreased urination may develop quickly.

3. Onions and Garlic

These ingredients, whether raw, cooked or powdered, contain compounds that damage red blood cells in dogs, leading to anemia. Signs of onion or garlic poisoning include weakness, pale gums and rapid breathing.

4. Alcohol

Even a small amount of alcohol can cause serious health issues in dogs, including vomiting, diarrhea, difficulty breathing and in extreme cases, coma or death. Alcohol affects dogs more rapidly than humans due to their smaller body size and metabolism.

5. Avocado

Avocados contain persin, a fungicidal toxin that can cause vomiting and diarrhea in dogs. The fruit’s high fat content can also lead to pancreatitis, while the pit poses a choking hazard.

6. Macadamia Nuts

Macadamia nuts are highly toxic to dogs and can cause symptoms like weakness, vomiting, tremors and hyperthermia. Even a small amount can lead to severe symptoms within hours.

7. Xylitol

This artificial sweetener, found in sugar-free gum, candy and some baked goods, is extremely dangerous for dogs. It triggers a rapid release of insulin, causing hypoglycemia (low blood sugar). Symptoms include vomiting, loss of coordination and seizures. Xylitol can also cause liver failure in severe cases.

8. Caffeine

Caffeine, found in coffee, tea, energy drinks and some medications, can cause restlessness, rapid breathing, heart palpitations and muscle tremors in dogs. Unlike humans, dogs are highly sensitive to even small amounts of caffeine.

9. Raw Dough

When dogs ingest raw yeast dough, it can expand in their stomach, leading to bloating and severe discomfort. Additionally, the fermentation process produces alcohol, which can result in alcohol poisoning.

10. Fat Trimmings and Bones

Fat trimmings can cause pancreatitis in dogs, while bones—especially cooked ones—can splinter and lead to choking, internal blockages or perforations in the digestive tract.

Benefits of Fresh Dog Food Delivery Programs

To keep your dog safe and healthy, avoiding these toxic foods is just the first step. Providing a diet tailored to their specific needs ensures they get the nutrients they require. Fresh dog food delivery services like The Farmer’s Dog offer balanced meals made from high-quality, real ingredients. These programs:

  • Support digestive health. Fresh meals with natural ingredients are easier for dogs to digest than heavily processed kibble.
  • Improve energy levels. Nutrient-dense food helps maintain your dog’s energy and overall vitality.
  • Enhance coat and skin health. A balanced diet rich in omega fatty acids promotes a shiny coat and healthy skin.
  • Eliminate guesswork. Pre-portioned meals are customized based on your dog’s breed, size and activity level, making mealtime simple.

Investing in a fresh dog food delivery program not only keeps your dog happy and healthy but also provides peace of mind that they’re eating safe, nutritious meals.

By staying informed about toxic foods and making smart choices, you can give your furry friend the best life possible.