Foods That Are Toxic to Dogs: A Comprehensive List

Many “people foods” can seriously harm dogs—even in small amounts. Knowing what’s dangerous helps prevent emergency vet visits (and in Canada, after-hours care can be costly and limited in some areas). Use this quick, reliable checklist to dog-proof your kitchen and snack time.

Common Toxic Foods (and What to Do Instead)

Chocolate, cocoa, and coffee/caffeine (theobromine/caffeine): Keep all baking chocolate and cocoa powder locked away. Offer dog-safe treats instead.
Grapes and raisins: Can cause kidney failure. Choose blueberries or apple slices (no seeds) as safer options.
Onions, garlic, chives (raw, cooked, powders): Can damage red blood cells. Skip seasoned scraps; use plain cooked meat for training.
Xylitol (often in sugar-free gum, mints, peanut butter, some baked goods): Can trigger dangerous low blood sugar and liver failure. Read labels; buy xylitol-free peanut butter.
Alcohol and raw bread dough: Dough can expand in the stomach and produce alcohol. Keep fermenting dough out of reach.
Macadamia nuts: Can cause weakness and tremors. Use small bits of cooked chicken instead.
Cooked bones (especially poultry bones): Splinter risk. Offer a vet-approved chew or rubber toy.
High-fat foods (bacon, greasy leftovers): Can contribute to pancreatitis. Stick to lean, unseasoned proteins.
Avocado: Can upset digestion; pits are a choking hazard. Choose cucumber slices for crunch.
Salt-heavy snacks (chips, salted nuts): Can worsen dehydration and cause illness. Use low-sodium dog treats.

Action Steps If Your Dog Eats Something Toxic

Don’t wait for symptoms. Remove access, note what/when/how much, and call your veterinarian or an emergency clinic right away. In Canada, you can also contact Pet Poison Helpline (fee-based) for urgent guidance. If your dog is collapsing, seizing, or struggling to breathe, go to the nearest emergency vet immediately.

Bottom line: Most food poisonings are preventable. Store risky items securely, check labels (especially for xylitol), and keep “people food” off the menu unless your vet says it’s safe.