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Dr. B.
Dr. B., Cat Veterinarian
Category: Cat Veterinary
Satisfied Customers: 19549
Experience:  Small animal veterinarian with a special interest in cats, happy to discuss any questions you have.
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Lou & a Guinea pig. We purchased 2 baby female Guinea pigs 3

Customer Question

Lou & a young Guinea pig.
JA: Thanks. Can you give me any more details about your issue?
Customer: We purchased 2 baby female Guinea pigs 3 weeks ago. They are now estimated to be 9-10 weeks old. 1 is loud & active & the other quiet & inactive. Last night I noticed the less active one had a rough spot on her tummy. It isn't round, but feels rough like a callus.
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Submitted: 1 year ago.
Category: Cat Veterinary
Expert:  Dr. B. replied 1 year ago.

Hello & welcome. I apologize that my colleagues could not assist you while I was away. Still, I am Dr. B, a licensed veterinarian and I would like to help you today.

Again I do apologize that my colleagues could not aid you sooner. If you would still like assistance, can you tell me:

Do you feel this quiet one is eating, drinking, and maintaining its weight as normal?

Does the spot appear itchy? Or do you see this wee one groom more?

Any pustules, pimples, scabs or ulcers here?

Can you take a photo of this spot? If you can do so, this will let me see what you are seeing. To post photos online, you can use the paperclip icon above your text box. Or if you can't see that on your computer/phone, then you can post them on any other site (ie Flickr,Photobucket, imgur, etc) and paste the web link here for me to check.

Customer: replied 1 year ago.
Oh yes, she is eating & drinking & has regular urination & bowel movements. I put Neosporin on it last night & today it looks smaller. A lady at Petco said that is fine to use on them. It isn't round, so sure it isn't ringworm. The spot isn't oozing anything, but today it is scaley. I attached 3 different pictures. They are hard to see real well, they & it is so small, but I hope it is clear enough for you to see what is going on. These are our first Guinea pigs, so all this is new.
Expert:  Dr. B. replied 1 year ago.

Hello again,

Now I am glad to hear that she is otherwise showing normal appetite and associated activities. Though I do have to advise you not to use the Neosporin (especially if it contains bacitracin) here since if either cavy licks this off we could see severe diarrhea as the product can damage the good GI bacteria in their gut. In fact, this risk or ingestion is why we don't tend to use any topical antibiotic creams with them and that sensitivity is why this species cannot use many of the antibiotics our other pet species can.

Now looking at this lesion, I agree that ringworm is unlikely (especially as it cannot cause masses itself). Instead, at her age, the most common reason for this type of lump would be an abscess. And that could certainly cause her to be more subdued then her companion. We can see cysts, benign growths, and cancers appear this way; but isn't as likely in a cavy this age.

So, in this case, we'd really want to have this checked by her local vet so that it can be sampled. If they confirm our suspicions, then cavy safe systemic/oral antibiotics dispensed. That way we can treat this from the inside out and get this settled for her.

If you don’t already have an exotics vet, you can find one near you at http://www.aemv.org/vetlist.cfm or HERE (http://www.guinealynx.info/vetlist.html) . If you are struggling also check here (http://www.rabbit.org/vets/vets.html), as rabbit vets often see our wee pocket pets as well.

Please take care,

Dr. B.

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Expert:  Dr. B. replied 1 year ago.
Hi,
I'm just following up on our conversation about your pet. How is everything going?
Dr. B.