My Hamster Has a Tumor How Long Until She Died?

We adore our hamsters, and taking care of them is one of our major roles. Tumors are one of the most serious threats to our pets’ health. Many owners are worried as to how long their hamster may survive with a tumor.

So, my hamster has a tumor how long until she died?

Your hamster can survive for 2 to 3 months if it has a malignant tumor. It relies on the tumor’s nature and intensity. Premalignant is much safer and your hamster can survive completely. Another kind is Benign. It’s not cancerous but still harmful. So the time left for survival is hard to determine.

In this article, we’ll go through these tumors in great depth. Also, what you should do if you’re in a similar situation.

So, let’s get right into it!

How Long Does a Hamster Have to Live with a Tumor?

My Hamster Has a Tumor How Long Until She Died

The answer is contingent on a set of possibilities. The kind of tumor, the age, size, and gender of your hamster all have an influence. Your veterinarian can provide you with better information.

An overgrown tumor that can’t be removed, will usually give your hamster a few months to live. This is due to your hamster’s small size.

Keeping your hamster as healthy as possible can assist them in living as long as they possibly can.

Your veterinarian may advise that you put your pet down. But that depends on their level of pain.

Obviously, this is something you should discuss with your vet before deciding. And that is to determine the best for your pet.

What Kinds of Tumors are There?

What Kinds of Tumors are There

Tumors are cell-filled lumps that arise when healthy tissue is disrupted. That might be benign, meaning they are not cancerous. Or malignant, meaning they are cancerous. These cells have no function and spread rapidly. There can even be hamster tumor on stomach.

These cells’ rapid development has the ability to cause damage to other body parts. And that is where they are found. The good thing is that these tumors affect only around 4% of hamsters.

Tumors may be classified into 3 kinds. That depends on whether or not they are harmful to your hamster. 

Malignant, premalignant, and benign cancers are the three categories.


Malignant is the most dangerous type of tumor. It can cause serious issues for your pet. Malignant tumors are the ones that grow throughout the body, causing issues.  It has to be taken down immediately. To avoid it spreading and wreaking havoc.

Your hamster might not survive this type of tumor. It might give your hamster 2 to 3 months to live. It needs immediate surgery to save your pet.


This form of the tumor appears to be harmless at first, but it has the potential to become lethal for your pet. Your pet might live with this type of tumor for the rest of its life. Yet, it might become a problem at any time.


This sort of tumor will not spread and will not cause cancer. But it can still be harmful to your hamster. So the possibility of survival is unpredictable.

But if a tumor exists, you should hope it is of this sort. As your hamster has a greater chance of surviving.

However, it is still suggested that this be removed. Because it may be harmful to your pet in a variety of ways.

Why Do Hamsters Get Tumors?

Hamsters develop tumors in the same way as people do. This implies that the same factors that cause tumors exist in hamsters. Here are several instances,

Getting Older

As cell growth becomes more of an issue with age, tumor development can be increased. This indicates that an aging hamster is considerably more prone than a young one to develop tumors.

You won’t be able to do anything about it. It’s an unavoidable truth of life.

Dietary Issues

Your pet’s general health might be harmed by a bad diet. This can cause issues since your general health can influence cell development. Raising the likelihood of your hamster developing tumors.

Toxic Substances

Poisonous chemicals can create major problems for your pet. These cause toxic growths such as tumors. Paint and glue should be kept far away from your hamster.

What Are Your Options If Your Hamster Develops a Tumor?

What Are Your Options If Your Hamster Develops a Tumor

The very first thing to do if your hamster develops a tumor is to take it to a vet. This isn’t a problem that can be handled at home.

A veterinarian can help you with all the knowledge you require to keep your hamster happy and healthy. What you do throughout this time determines how long a hamster with a tumor can live.

You can do a variety of things while you wait for your appointment, including

  • Making sure your hamster has enough water. This will aid in quenching their thirst.
  • Use caution while dealing with them. 
  • Only get them out of the cage if absolutely required.
  • Assuring your hamster eats a balanced diet.

Making an appointment as soon as possible can improve your chances of having the tumor removed.

Follow the vet’s instructions to the letter. They are the ideal people to look after your pet. Following that, your veterinarian may undertake surgery.

How Can You Prevent Tumors?

Tumors can be avoided in a variety of ways. Bear in mind that the passage of time is inescapable. You won’t be able to avoid tumors totally, but you can try. Here are a few of them for what to do if my hamster has a tumor.

Keeping a Balanced Diet

Giving your hamster a high-antioxidant diet is an excellent method to help him or her fight cancer. Consider cabbage and cucumber as alternatives to sweet pet shop treats.

Keeping Harmful Chemicals Away

Obviously, this is natural, but poisonous compounds can cause cancer. Simply keep your pet away from items that are harmful to people.

Consult a Veterinarian

You should consult a veterinarian the moment you see a lump. It is a necessary method to prevent it from becoming a full-blown tumor. 


What is the best way to tell whether your hamster has a tumor?

Tumors can be visible on the skin or hidden within the body, with non-specific symptoms. Such as sadness, dullness, loss of appetite, stomach discomfort, and diarrhea.

When should I consider putting my hamster down?

If your hamster has gotten ilConclusionl to the point that he no longer appears to enjoy life. It will be your call whether or not to euthanize him. You and your veterinarian can work together to determine when the time is appropriate.

What is a hamster’s life expectancy?

Hamsters may live for up to two years, but some can survive for much longer.


Now you know the answer to my hamster has a tumor how long until she died.

Finding out your hamster has a tumor is a terrifying experience. However, you may take efforts to lessen the chances of it happening.

Best of luck!

Ryan Dugan
Ryan Dugan
Ryan Dugan

Ryan Dugan is a dedicated pet care professional who offers top-notch services for a variety of pet species. He has a soft spot for my own feline companion, Sophie. He is passionate about animals He shares his knowledge and experience on his blog to help other pet owners understand and care for their own beloved companions. Whether you need a pet-sitting service or advice on pet care, He is the go-to expert.

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