What Can’t Dogs Eat? 22 Toxic Foods to Avoid
Dogs explore the world with their mouths — which is why human food sends more dogs to the vet than anything else. Below are the foods most dangerous to dogs, from the infamous (chocolate, xylitol) to the surprising (grapes, raw bread dough). This is a curated reference, not an exhaustive list: when in doubt, ask Eaoae before sharing your plate.
Updated 2026-10-05.
| Item | Severity | Toxic compound | Key symptoms | Details |
|---|---|---|---|---|
| Chocolate | ⛔ Unsafe | Theobromine, caffeine | Vomiting, diarrhea, rapid heartbeat, tremors, seizures | Check → |
| Xylitol (birch sugar) | ⛔ Unsafe | Xylitol | Sudden insulin release; vomiting, weakness, collapse, liver failure | Check → |
| Chewing gum (sugar-free) | ⛔ Unsafe | Xylitol | Same as xylitol | Check → |
| Grapes & raisins | ⛔ Unsafe | Tartaric acid (suspected) | Vomiting, lethargy, acute kidney failure | Check → |
| Onion | ⛔ Unsafe | Organosulfur compounds | Weakness, pale gums, anemia | Check → |
| Garlic | ⛔ Unsafe | Organosulfur compounds (stronger than onion) | Same as onion | Check → |
| Macadamia nuts | ⛔ Unsafe | Unknown toxin | Weakness, vomiting, tremors, overheating | Check → |
| Coffee & caffeine | ⛔ Unsafe | Caffeine (methylxanthine) | Restlessness, rapid heartbeat, tremors | Check → |
| Alcohol | ⛔ Unsafe | Ethanol | Vomiting, disorientation, coma, breathing trouble | Check → |
| Cooked bones | ⛔ Unsafe | Physical hazard (splinters) | Choking, mouth injuries, intestinal tears | Check → |
| Corn cob | ⛔ Unsafe | Physical hazard (blockage) | Vomiting, intestinal obstruction | Check → |
| Nutmeg | ⛔ Unsafe | Myristicin | Tremors, rapid heart rate, seizures (large amounts) | Check → |
| Peach pits | ⛔ Unsafe | Amygdalin (releases cyanide) | Dilated pupils, breathing difficulty, shock | Check → |
| Raw bread dough | ⛔ Unsafe | Ethanol from fermentation; dough expands | Bloating, vomiting, alcohol poisoning | Check → |
| Hops | ⛔ Unsafe | Unknown (triggers malignant hyperthermia) | Heavy panting, racing heart, dangerously high fever | — |
| Leeks & chives | ⛔ Unsafe | Organosulfur compounds (onion family) | Same as onion: anemia, weakness | — |
| Currants | ⛔ Unsafe | Same suspected toxin as grapes | Same as grapes: kidney failure risk | — |
| Cherry pits | ⛔ Unsafe | Amygdalin (releases cyanide) | Same as peach pits | — |
| Green potatoes | ⛔ Unsafe | Solanine | Vomiting, diarrhea, lethargy | — |
| Rhubarb leaves | ⛔ Unsafe | Oxalic acid | Drooling, tremors, kidney problems | — |
| Star fruit | ⛔ Unsafe | Oxalates | Vomiting, kidney risk | — |
| Excessive salt | ⛔ Unsafe | Sodium | Vomiting, tremors, seizures | — |
Severity matches the verdict on each food’s full Eaoae check. This is a curated reference, not an exhaustive list — when in doubt, ask before sharing.
Important: this list is for reference only and is not veterinary advice.
If your dog may have eaten something dangerous, contact your veterinarian immediately.
