What is poisonous to hamsters?
Sarah Scott
Updated on May 17, 2026
While fresh fruits and vegetables are an important part of a hamster's diet, there are certain foods that are toxic to hamsters. These include tomato leaves, almonds, avocado, potatoes, onion, garlic, chocolate, and apple seeds.
What kills hamsters fast?
Top 15 Things Not to Feed Hamsters:
- Bitter almonds.
- Potatoes.
- Celery.
- Onion family.
- Spicy and seasoned foods.
- Kidney beans.
- Light green leafy veggies.
- Synthetic sugars.
What you should not do to a hamster?
WHAT NOT TO DO WHEN YOU HAVE A HAMSTER
- PLACE THE CAGE IN THE KITCHEN OR NEAR AN OPEN WINDOW. Avoid putting your hamster in noisy rooms where people come and go at all hours. ...
- ADOPT TWO OF THEM. ...
- FEED THEM ONLY SUNFLOWER SEEDS. ...
- WASH YOUR HAMSTER. ...
- AWAKEN THEM SUDDENLY.
What can hamsters eat and not eat list?
Foods not to feed your hamster
- Chocolate.
- Caffeine.
- Alcohol.
- Excess sugar or fat.
- Onions and garlic.
- Apple seeds (contain toxic cyanide)
- Rhubarb.
- Peanuts in the shell (can contain trace amounts of toxic mold)
What human foods can hamsters eat?
What Human Foods Can Hamsters Eat?
- Sugarless breakfast cereals or grains.
- Greens.
- Seeds.
- Carrots.
- Apples.
- Raisins.
- Peas.
- Pepper.
SAFE and UNSAFE foods for hamsters!
Is peanut butter bad for hamsters?
Hamsters also usually love peanut butter, but it must be fed carefully (as with any other sticky food) since it can get stuck in their cheek pouches and cause severe problems. A very thin layer on a piece of wood is okay as an occasional treat, but peanut butter must be given with caution.What can hamsters drink?
Hamsters should only drink water. Water provides them with all they need to survive and stay hydrated, and there really is no other substitute. Whether you give your hamster tap water or filtered bottled water depends on the quality of the tap water where you live.Can hamsters eat scrambled egg?
Yes! Eggs are an excellent source of protein, as well as vitamin A, B vitamins, and iron. Hamsters can have eggs cooked in a variety of ways, including scrambled, baked, hard-boiled, soft-boiled, or oil free pan-fried eggs. It is extremely important to not feed your hamster raw egg whites.Can hamsters eat cheerios?
Final Thoughts About Giving Hamsters CheeriosWe suggest limiting Cheerios as a treat. The sugar content can cause spikes in their blood sugar, which take them off the table as a regular food. Share them occasionally, but don't make them your pet's regular diet.
How can I tell if my hamster is dying?
When a hamster is dying, its breathing will be more agitated, choppy and its pulse will begin to diminish progressively until exhausted. It is also possible that your hamster may suffer from tremors or a stiff jaw. Signs of a dead hamster include: No apparent breathing or movement.How do you know if your hamster is poisoned?
Identify common symptoms of poisoning.Hamsters that have come into contact with a toxic or poisonous substance will likely experience difficulty breathing, rapid breathing, fatigue, collapse or coma-like symptoms. If you notice any of these signs, you need to take your hamster to a vet immediately.