My hamster has a lip abscess. What causes it and how can I treat it?
Hi, and thanks for your question.
Even though I cannot see very well from the pic you upload unfortunately, this presentation could be due to a trauma or localized spot of skin infection (likely to be caused by bacteria). A check up, appropriate disinfection and possibly antibiotics (oral, topical or in a shampoo formulation) are needed to approach the problem. Euthanasia should be considered only this lesion is causing severe inappetence.
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Updated on September 23rd, 2025