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Why is my old hamster swollen, hunched, waddling, and sleeping constantly?

Updated On September 23rd, 2025

Pet's info: Small Animal | Unknown - Small Animal | Female | unspayed | 1 year and 10 months old

My hamster is nearly 2 years old the past 4-5 days she’s become swollen looking, hunched, she waddles makes clicking and squeaky sounds especially when asleep she doesn’t seem to be in any pain but her behaviour has completely changed suddenly from seeming quiet active to sleeping constantly is she dying?

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1 Answer

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Answered By Daniela Jessen, DVM

Veterinarian

Published on January 6th, 2018

Swollen abdomen in a hamster is a sign for concern it could be variety of causes, in older hamster such as Belle the more common causes include: tumor in abdomen, blockage of the intestines, kidney failure, and congestive heart failure. I suggest to take Belle to a vet for examination to try and give you the underlying cause and also due to the possibility of her quality of life issue (eating , drinking, in pain etc). The vet may consider to put a small needle into the abdomen and see if they can drain any fluid off. Whether there is fluid from a tumor or from heart failure.

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