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My guinea pig has an eye bump. Is it serious or will it affect her?

Updated on September 23rd, 2025

Pet's info: Small Animal | Guinea Pig | Female

My guinea pig has a small bump on the inner corner of her eye. It doesn’t seem to be bothering her, but I would like to know whether it is going to effect her or if it’s something serious.

3 Answers

Most Helpful Answer

Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on April 18th, 2019

This could be potentially rubbing against cornea and in the long term cause both chronic irritation/inflammation (the cornea can get darker than normal) and possibly corneal ulceration.
This lump/growth should be ideally examined by your veterinarian to have a definitive diagnosis. Your vet will examine it and possibly perform with an FNA (fine needle aspiration) or a biopsy.
Differentials would include skin cyst, infections or benign or malignant type of tumors.
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!
Vote Icon1Pet Parents found this answer helpful

Related Answers from Veterinarians

  • Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on March 8th, 2018

    This looks like a so-called cherry eye or a prolapsed lacrimal gland. In guinea pigs this is called pea eye. Contrary to cherry eye in dogs, this does not seem to be uncomfortable or painful in guinea pigs. If the protrusion interferes with vision, it can be removed with laser, however this is seldom necessary. In the case of your guinea pig, I would just observe the eye and, should it appear to get infected or grow, take it to the vet for an exam.

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    1Pet Parents found this answer helpful

  • Answered By Stacey Anstaett, DVM

    Veterinarian

    Published on March 19th, 2019

    This looks like a lacrimal (tear producing) gland that has become inflamed or infected and and then prolapsed (popped up out of normal position). You can rinse the eye with tap water in a syringe (then drop it on the eye), and use a product such as this: but if its not improving over the next few days I would recommend that you have her evaluated by your veterinarian.
    thanks for asking PetCoach!

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    1Pet Parents found this answer helpful

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