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My guinea pig has a wound-like growth on her back. What could it be?

Updated On September 23rd, 2025

Pet's info: Small Animal | Guinea Pig | Female | unspayed | 2 years and 1 month old

Dr. Andy, Medical Director 2,681 Satisfied customers Virtual Assistant avatar Pearl Wilson, Veterinarian's Assistant Welcome! What's going on with your pet or animal? You Hello! I want to ask a question in concern of my guinea pig. This morning I noticed a huge wound-like area on her back. Besides that she is totally fine. I haven't noticed any other symptoms. I will take her to the vet anyways but would love at least an idea of what her condition might be right now.

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1 Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on November 19th, 2019

Hello. It is difficult to tell exactly what might be going on with Shushka, but unfortunately, it does look like a tumor. I am glad that you already have plans to have her seen. Hopefully this is something that can be taken care of soon. Thanks for using Petco Pet Education Center, formerly Petcoach.

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