My hamster has a growing lump. What's wrong and what should I do?

Question

My hamster has looked like this for a couple weeks. I wanted to see if it would go away on its own, because he doesn’t seem to be in any pain. But now it looks much worse than it did. Please help me. :( I need to know what’s wrong. Pet's info: Small Animal | Hamster | Male | unneutered | 1 year and 2 months old

Dr. Massimo Orioles, DVM, Cert AVP, MRCVS · Accepted Answer

This lump could be due to a infection, an abscess or possibly a tumor. It should be ideally examined by your local vet to have a diagnosis established. Your vet may want to perform an FNA (fine needle aspiration) or a biopsy to sample the bump and determine its underlying nature and give you appropriate treatment options. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further. If this answer was helpful please let us know, this will be used to improve our service!

My hamster has a growing lump. What's wrong and what should I do?

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