My guinea pig has a growing lump on its side. What is it? Home care?

Question

My guinea pig (3yrs) has developed some sort of lump on his side. It doesn’t seem to hurt him but it’s growing and will obviously become more uncomfortable. I do not have money to take him to the vet and am wondering if you can tell me what it is and if there is a home treatment? Pet's info: Small Animal | Guinea Pig | Male | unneutered | 3 years and 10 months old

Todd Cecil · Accepted Answer

Thanks for reaching out about Meeko and including pictures. This appears to be benign growth called a trichofolliculoma. These are tumors of the skin with very low likelihood of metastasis but likely to recur if not surgically removed. Hair should be gently clipped around the mass in an attempt to decrease bacterial contamination. Clean cotton tipped applicators can be used to gently remove the debris from inside the lesion. Gentle flushing with sterile saline can help irrigate the lesion, then allow to heal on its own. As previously stated, these are likely to recur. Do not apply any topical antibiotics such as Neosporin or triple antibiotics since guinea pig gastrointestinal tracts are very sensitive to antibiotics. Good luck.

My guinea pig has a growing lump on its side. What is it? Home care?

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