Why Do Hamsters Chew Cage Bars?

hamster chew bars

Have you noticed your hamster chewing on the bars of its cage?

If so, you will need to take action. This isn’t a behavior that you’ll want to ignore in your pet.

There are lots of different possible explanations for this to consider.

Reasons Your Hamster is Chewing on its Cage

Once you have learned about some of the reasons that hamsters chew on the bars of their cage, you will have an easier time figuring out why they are doing this.

1. It is trying to maintain healthy teeth length

Hamsters and other rodents naturally chew on various things to maintain the length of their teeth. This is an important aspect of self-care, but metal bars are not good for your hamster to chew on. The fact is that this can cause broken teeth and other serious health issues.

2. They are stressed or anxious

A stressed out hamster can exhibit all sorts of odd and even self-destructive behaviors. It is not uncommon for these animals to start chewing on the bars of their cage when they are feeling anxious. 

This could be due to another pet in your home, such as a dog or cat. They might feel intimidated by the presence of this animal, especially if they spend a lot of time around their cage.

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3. Your Hamster is Bored

If your hamster is bored and not getting adequate stimulation on a daily basis, they might begin chewing on the bars of their cage. These animals need interaction with their owners as well as exercise on a daily basis.

This behavior could be your hamster’s way of trying to get your attention. If you think this is the case, you should avoid encouraging it unintentionally. This means not responding to your hamster’s pleas. While this might seem cruel, it is necessary for putting a stop to this behavior.

hamster chew cage

4. They are Sick

There are various illnesses that could lead your hamster to chew on all sorts of things, including the bars of its own cage. It can be difficult to tell what exactly is wrong with your hamster, so you’ll want to see the vet.

Some of the more common signs of illness in hamsters to look for include:

  • Lethargic behavior
  • Lack of appetite
  • Diarrhea
  • Bald spots
  • Swollen abdomen

If you notice any signs of illness in your hamster, you’ll want to get them to the vet right away. You don’t want to put this off, because it could cost your hamster its life.

Ways to Get Your Hamster to Stop Chewing on Bars

You will want to spend some time looking into the various methods that can be used to get your hamster to stop chewing on the bars of its cage. While not all of these methods are going to work with your pet, they are all worth considering.

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1. Get them chew toys

One of the most effective ways to stop your hamster’s chewing on bars is to get them wooden toys to gnaw on. You should be able to find these toys at just about any pet supply store, as well as online.

Make sure that you get your hamster toys that are durable and safe. The last thing you want is to have them get injured in some way.

2. Give them the occasional snack

Certain foods like carrots can satisfy your hamster’s urge to chew while supplementing their diet. There are lots of different foods that you can give them, but it is important to not over do it. You don’t want your hamster becoming overweight, as this increases their risk of diabetes and other health problems.

Apple branches are also great for satisfying your hamster’s need to chew. These branches are not toxic to hamsters, and they can provide them with a very satisfying feeling.

3. Keep them Calm

The less stress your hamster experiences on a daily basis, the less likely they are to chew on the bars of their cage. There are lots of different ways that you can keep your rodent friend calm, such as keeping their cage in the right spot. Make sure that their habitat is not in an area that gets lots of foot traffic.

You also want to keep pets away from the hamster’s cage as much as possible. This is a common source of stress and anxiety for these animals because they are so small. Even curious and friendly cats can put your hamster on edge.

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bar chew hamster

4. Spend more time with your hamster

You should at least try to spend more time with your hamster on a daily basis. This means taking them out of their cage and handling them. This can prevent your pet from getting anxious and stressed.

When you go to get your hamster from its cage, you should do so slowly. You may even want to put a treat on the palm of your hand to encourage them. Once your hamster is familiar with your scent, it will be easier to get out of their cage on a daily basis.


  • There is a good chance that your hamster is chewing on the bars of its cage to maintain the length of their teeth.
  • Some hamsters start chewing on their bars when they are stressed or anxious. This could be due to another pet in the house or a sudden change in their environment.
  • If you aren’t spending enough time with your hamster each day, they might start acting out and chewing on all sorts of things.
  • It is also possible that your hamster is chewing on the bars of its cage because it is sick.
  • If you notice any common signs of illness with your hamster, you’ll want to take them to the vet right away.
  • Provide your hamster with multiple chew toys so that it is not tempted to gnaw of the bars.
  • Apple seeds and other foods can also help a lot with putting a stop to this behavior altogether.
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