What Should You Never Feed a Hamster? Foods to Avoid

Chocolate and caffeine can be dangerous to hamsters, while alcohol and foods in the onion family—including garlic, chives, and leeks—should never be offered. Don’t give your hamster fruit pits or apple seeds; if you’re serving a small piece of fruit, remove the core, seeds, and pit first.

Even foods that aren’t considered toxic may be poor choices: salty snacks, candy, and heavily seasoned or fried table scraps don’t belong in a hamster’s feeding routine. Avoid sticky foods such as a spoonful of peanut butter, which can be difficult for a hamster to handle, and serve fresh produce in small portions rather than leaving it in the cage to spoil.

Check the product’s listed specifications when evaluating avoid foods that create other risks.

Make a food formulated for hamsters the foundation of your pet’s diet, with appropriate fresh foods offered as occasional additions rather than replacements. Our hamster feeding routine guide and Happy Hamster Feeding Routine Checklist can help you keep feeding tasks organized while you decide what belongs on your hamster’s menu.

If you see your hamster eat a potentially toxic food, remove what’s left and contact an exotic-pet veterinarian promptly; tell them what was eaten, approximately how much, and when. Don’t try to make your hamster vomit or use a home remedy, and seek urgent veterinary advice if you notice weakness, trouble breathing, diarrhea, or a sudden change in behavior.