High-risk category
Toxic foods are one of the most common household dangers for dogs.
Some human foods can cause serious poisoning in dogs, even in small amounts. This guide helps you quickly identify foods dogs should avoid, understand the risk level, and know what to do if your dog ate something dangerous.
Use the search box to check a specific food, or browse the most important toxic foods below.
Think your dog ate a toxic food?
Do not wait for symptoms if your dog ate grapes, raisins, xylitol, onions, garlic, chocolate, macadamia nuts, alcohol, caffeine, or an unknown amount of a risky food.
Remove the food, save the packaging if available, note the time and amount, and contact your veterinarian or a pet poison helpline.
ASPCA Animal Poison Control: (888) 426-4435
What to do now →Toxic foods are one of the most common household dangers for dogs.
Risk depends on amount, dog size, food form, concentration, and ingredients.
Some toxins may cause symptoms hours or days after exposure.
Known ingestion of high-risk foods should be treated seriously.
These foods are among the most important items to keep away from dogs. Some can cause emergency-level poisoning, while others may be toxic depending on dose, form, or dog size.
Grapes and raisins can cause sudden kidney injury in some dogs. The toxic amount is unpredictable, and even a small exposure may be dangerous.
Contact a veterinarian or poison helpline immediately, even if your dog seems normal.
Found in some sugar-free gum, candy, peanut butter, baked goods, supplements, and dental products. It can cause a rapid drop in blood sugar and may lead to liver injury.
If your dog ate anything containing xylitol, seek emergency veterinary guidance immediately.
Onions can damage red blood cells in dogs and may lead to anemia. Raw, cooked, powdered, dehydrated, and mixed foods can all be risky.
Contact a veterinarian if your dog ate onion, especially if the amount is unknown or symptoms appear.
Garlic is toxic to dogs and can damage red blood cells. Powdered garlic and seasoned foods may be easier to underestimate than fresh cloves.
If your dog ate garlic or garlic powder, contact a veterinarian for guidance. Symptoms may be delayed.
Chocolate contains methylxanthines that dogs cannot process well. Dark chocolate, baking chocolate, and cocoa powder are more dangerous than milk chocolate.
Risk depends on chocolate type, amount, and dog weight. Contact a veterinarian with the package details.
Macadamia nuts can cause weakness, vomiting, tremors, and difficulty walking in dogs. Toxicity can occur even when the amount seems small.
Contact a veterinarian if your dog ate macadamia nuts, especially if symptoms appear or the amount is unknown.
Alcohol in drinks, desserts, fermented foods, or raw dough can be dangerous for dogs. Small dogs are especially vulnerable.
Contact emergency veterinary care if your dog consumed alcohol or alcohol-containing food.
Coffee, tea, energy drinks, caffeine pills, and some supplements can overstimulate a dog's nervous system and heart.
Contact a veterinarian or poison helpline if your dog ate or drank caffeine.
Use this list as a quick reference. A food's final risk depends on amount, form, dog weight, health condition, and whether symptoms are present.
Toxic food risk is not based on the food name alone. The same ingredient can be lower risk in a tiny accidental lick and much more dangerous in a concentrated, powdered, sweetened, or unknown amount.
A tiny lick may be lower risk for some foods, but it is not automatically safe. High-risk items like xylitol, grapes, and concentrated ingredients should still be treated seriously.
A small amount may still be dangerous for small dogs, puppies, senior dogs, or dogs with health conditions.
Moderate or large exposure increases risk and should usually trigger a vet call, especially for toxic foods.
Garlic powder, onion powder, cocoa powder, and seasoning blends can be more concentrated than fresh ingredients.
Cooking does not make onion, garlic, chocolate, xylitol, or grapes safe for dogs.
Peanut butter, baked goods, sauces, soups, leftovers, protein bars, and sugar-free products may contain hidden toxins.
If your dog ate a food that may be toxic, act quickly. Do not wait for severe symptoms if the food is known to be dangerous or the amount is unknown.
Take away the remaining food, wrapper, plate, bag, or container so your dog cannot eat more.
Check the ingredient list, brand, flavor, sweeteners, seasonings, and whether the food contains xylitol, onion, garlic, chocolate, caffeine, alcohol, or raisins.
Try to estimate how much your dog ate and when it happened. If you are unsure, treat the amount as unknown.
A small dog can be affected by a much smaller amount than a large dog.
Look for vomiting, diarrhea, drooling, weakness, pale gums, tremors, fast breathing, collapse, seizures, or unusual behavior.
Call immediately for grapes, raisins, xylitol, chocolate, onions, garlic, alcohol, caffeine, macadamia nuts, raw dough, unknown amounts, or any symptoms.
Symptoms depend on the food involved. Some signs appear quickly, while others may be delayed for hours or days.
If you only remember one section, keep these foods away from dogs and check ingredient labels carefully.
Important: This list does not include every possible toxin. If your dog ate something not listed here and you are unsure, search the database or contact a veterinarian.
Many dog poisonings happen because a toxic ingredient is hidden inside a food that looks harmless.
May contain xylitol. Check gum, candy, peanut butter, protein bars, baked goods, toothpaste, and supplements.
May contain onion, garlic, chives, salt, fat, alcohol, or spices.
May contain chocolate, raisins, xylitol, nutmeg, caffeine, or raw dough.
May contain garlic powder, onion powder, salt, or concentrated spices.
Some peanut butter and almond butter products may contain xylitol or excess salt.
Low-sugar, keto, and sugar-free products may use sweeteners that are dangerous for dogs.
These are common food safety questions dog owners search when they need a quick answer.
Garlic is toxic to dogs and may cause delayed anemia.
Grapes and raisins can cause unpredictable kidney injury in dogs.
Chocolate risk depends on type, amount, and dog weight.
Onion can damage red blood cells and cause anemia.
Avocado risk depends on form, amount, pit, skin, and fat content.
Peanut butter may be safe only if it is xylitol-free and given in moderation.
Macadamia nuts are toxic to dogs and can cause weakness and tremors.
Plain popcorn may be tolerated, but butter, salt, kernels, and additives matter.
Ham is salty and fatty and may trigger digestive upset or pancreatitis risk.
Small amounts may be tolerated, but concentrated cinnamon or essential oil is risky.
If you want to give your dog a treat, choose plain, simple foods in small amounts. Avoid seasoning, salt, sauces, sweeteners, and rich leftovers.
Try a few blueberries or small seedless watermelon pieces.
Use dog-safe treats made specifically for pets.
Offer plain cooked chicken or plain rice.
Try carrots, cucumber, or green beans.
Use xylitol-free, unsalted peanut butter in small amounts.
Use lean, plain cooked meat without bones, skin, seasoning, or sauce.
Each food guide uses a practical safety rating to help you understand risk quickly.
The food is commonly tolerated by many healthy dogs when plain, prepared safely, and given in appropriate amounts.
Risk depends on amount, preparation, ingredients, dog size, age, health condition, or product form.
The food can harm dogs and should be avoided. Known ingestion may require veterinary guidance.
Known or suspected exposure may require urgent help, especially if the amount is unknown, symptoms are present, or the food is highly dangerous.
Some of the most dangerous foods for dogs include grapes, raisins, xylitol, chocolate, onions, garlic, macadamia nuts, alcohol, caffeine, and raw yeast dough. Human medications are not foods, but they are also a major poisoning risk and should be kept away from dogs.
Remove the food, save the packaging, estimate how much your dog ate, note the time of exposure, and contact your veterinarian or a pet poison helpline. Do not wait for symptoms if the food is known to be dangerous or the amount is unknown.
Yes. A small amount can be dangerous depending on the food, concentration, and the dog's body weight. Xylitol, grapes, raisins, chocolate, onions, garlic, and some concentrated ingredients should be taken seriously even when the amount seems small.
No. Cooking does not make onions or garlic safe for dogs. Raw, cooked, powdered, dehydrated, and foods containing onion or garlic can all carry risk.
Grapes and raisins can cause kidney injury in some dogs, and the toxic amount is not predictable. Because some dogs react severely to small exposures, known ingestion should be treated as urgent.
Plain peanut butter is not automatically toxic, but it must be xylitol-free. It should also be unsalted and given in small amounts because it is high in fat and calories.
It depends on the food. Some symptoms can appear quickly, while others may be delayed for hours or days. Garlic and onion-related anemia signs may be delayed, while chocolate, caffeine, or xylitol symptoms can appear faster.
Do not induce vomiting unless a veterinarian or poison-control professional tells you to. Making a dog vomit can be dangerous in some situations, depending on the substance and your dog's condition.
Prepare your dog's weight, age, health conditions, the food name, ingredients, amount eaten, time of exposure, and any symptoms. Photos of packaging or ingredient labels can help.
No. This guide is educational and helps you understand possible risk quickly, but it cannot diagnose or treat your dog. Contact a licensed veterinarian for case-specific advice.
This toxic foods guide is written with a cautious, veterinary-referenced approach. For known toxins, we prioritize action-focused safety guidance over casual reassurance.
Because individual risk depends on your dog's weight, health, amount eaten, product form, and timing, always contact a licensed veterinarian or poison-control professional for case-specific advice.
Not sure if a food is safe for your dog? Search the dog safety database before sharing snacks, leftovers, sauces, fruit, nut butter, or pantry foods.
Medical disclaimer: This page provides general educational information only and is not veterinary advice. Always consult a licensed veterinarian for advice specific to your dog. In an emergency, contact your nearest emergency veterinarian, ASPCA Animal Poison Control at (888) 426-4435, or a pet poison helpline.