Common Toxic Foods for Dogs and What to Do Next

May 25, 2026

What Foods Should My Dog Avoid? Common Toxic Foods for Dogs

Dogs are curious by nature, especially when food is involved. Whether they’re waiting under the dinner table or trying to sneak a snack off the counter, many dogs will happily eat things that aren’t actually safe for them.

The problem is that some everyday foods that are harmless for humans can be dangerous or even fatally toxic for dogs. Knowing which foods to avoid can help prevent emergency vet visits and keep your dog healthy and safe at home. Here are some of the most common foods pet owners should keep away from their dogs.

 

Chocolate

Chocolate is one of the most well-known toxic foods for dogs, but many pet owners don’t realize just how dangerous it can be. Dark chocolate and baking chocolate are especially harmful because they contain higher levels of compounds called methylxanthines.

Depending on the amount consumed and your dog’s size, chocolate can cause:

  • Vomiting and diarrhea
  • Increased heart rate
  • Tremors or seizures
  • Restlessness or hyperactivity

Even small amounts can be dangerous for some dogs, so it’s important to keep chocolate out of reach, especially around holidays, parties, or family gatherings.

 

Products Containing Xylitol

Xylitol is an artificial sweetener commonly found in sugar-free gum, candy, toothpaste, baked goods, and some peanut butters. While safe for humans, lots of people are unaware of xylitol toxicity for dogs, but it can cause a rapid drop in blood sugar or even liver failure.

Common products that may contain xylitol include:

  • Sugar-free gum and mints
  • Toothpaste and mouthwash
  • Sugar-free baked goods
  • Certain protein bars or snacks
  • Some peanut butter brands

Even small amounts of Xylitol can be dangerous for dogs, so it’s important to keep these products out of their reach.

 

Onions, Garlic, and Chives

Onions, garlic, leeks, and chives are all toxic foods for dogs, whether they’re raw, cooked, powdered, or included in seasoning blends. These ingredients can damage a dog’s red blood cells over time and may lead to symptoms like weakness, vomiting, or lethargy. Since onion and garlic powder are common in many prepared foods, it’s important to be cautious about sharing table scraps with your dog.

 

Grapes and Raisins

Grapes and raisins are highly toxic to dogs and can potentially cause kidney failure. What makes them especially dangerous is that even small amounts may trigger severe reactions in some dogs.

Symptoms can include:

  • Vomiting
  • Lethargy
  • Loss of appetite
  • Increased thirst or urination

If you suspect your dog has eaten grapes or raisins, contact your veterinarian immediately.

 

Nuts and Fatty Foods

Macadamia nuts are toxic foods for dogs and may cause vomiting, weakness, tremors, or difficulty walking. Other nuts, while not always toxic, can still create issues because of their high fat content. Rich or fatty foods can also increase the risk of digestive upset or pancreatitis, especially in dogs that consume large amounts at once.

Foods to be cautious with include:

  • Macadamia nuts
  • Walnuts and pecans
  • Fatty meats or trimmings
  • Fried foods
  • Heavy dairy products

 

Alcohol and Marijuana Products

Alcohol is toxic to dogs in any amount. Beer, wine, liquor, and even foods made with alcohol can lead to serious health complications. Similarly, marijuana products, particularly edibles, often contain additional harmful ingredients like chocolate or xylitol, they can be especially dangerous.

Possible symptoms may include:

  • Vomiting
  • Loss of coordination
  • Tremors or seizures
  • Extreme lethargy
  • Difficulty standing or walking

If your dog consumes alcohol or marijuana products, seek veterinary care immediately.

 

What to Do If Your Dog Eats Something Dangerous

If you believe that your dog ate toxic food, try to stay calm and contact your veterinarian or the ASPCA Animal Poison Control Center as quickly as possible.

When you get to the vet, be sure to be aware of what your dog ate, how much they consumed, their size and weight, and when the exposure occurred. Your quick action can make a major difference in treatment and recovery!

At Hounds Town, your dog’s safety and wellness are always a priority. Whether they’re spending the day in daycare or staying overnight for boarding, our team is committed to creating a safe, supervised environment where dogs can stay active and social.

Looking for a trusted place for your dog to play and thrive? Find your nearest Hounds Town location today.