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My dog has a nose lesion. Is it ringworm? Should I try OTC treatment?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 1 year and 4 months old | 63 lbs

Dog has a lesion if some sort near his nose. He’s a digger, so I figured at first he got bit by something but now I’m thinking it’s ringworm. He’s keeping it nice and clean by licking but it’s not crusting over. (Yet?) I realize he may need to be seen and a culture be done but I’m wondering if I should get started by confining and cleaning like crazy. Would OTC treatments work?

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1 Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on March 3rd, 2020

This actually looks more like a histiocytoma to me. Usually they will regress on their own with no treatment. Here is a link to an article about this condition. https://veterinarypartner.vin.com/default.aspx?pid=19239&id=4952066

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