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My female rat has a large lump. Could it be a tumor or abscess?

Updated On September 23rd, 2025

Pet's info: Other | Unknown - Other | Female | unspayed | 2 lbs

I just noticed this big tumor like bump on my female rat yesterday, and I'm wondering what it could be. Thanks

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1 Answer

Most Helpful Answer

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Answered By Amy S. Eutsey, DVM

Veterinarian

Published on May 15th, 2017

This large lump may be a tumor , an abscess or a hernia. Mammary gland tumors are quite common in rats. I would recommend a hands on exam at your veterinarian to determine if it is a tumor or a hernia or an abscess and then to discuss treatment options

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