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My cat has a rodent ulcer. Is it healed? Will its hair grow back?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Mediumhair | Female | spayed | 11 years and 2 months old

Our cat has a rodent ulcer that is currently being treated with Muricin (he did not respond well to steroids or Covenia. The before picture shows what the ulcer looked like before treatment, and the after is his current state. Does it look healed to you or should we continue treatment? Will his hair grow back?

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1 Answer

Most Helpful Answer

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Answered By Elva Ma DVM

Veterinarian

Published on March 1st, 2018

Hello, and thank you for your question and great photos. It certainly looks much improved on the mupirocin, but there still seem to be a few scabs present, so I would probably continue the cream for another week. If it is fully healed, the hair should eventually grow back. However, if the rodent ulcer is due to an underlying allergy, and the allergen is not eliminated from her environment, then her lesions may come back once the cream is discontinued. I hope this makes sense! I hope that Vivian heals well.

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