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What are these crusty, circular sores on my 8-week lab puppy's snout?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Female | unspayed | 1 month and 24 days old | 8 lbs

Hello. I have an 8wk old chocolate lab. She started out with one sore and now there's 4, on her upper and lower snout area. I would say it looks like the equivalent of a cold sore, crusty and circular. It doesn't seem to bother her

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1 Answer

Most Helpful Answer

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Answered By Cara, DVM, cVMA

Veterinarian

Published on August 16th, 2017

I would be very suspicious of ringworm based on the appearance and location of those lesions. I would take Charli to your vet, they will test the lesions and may recommend an antifungal cream or oral medications to help treat it. It can be transmitted to people so make sure to wash your hands and her bedding. Another possibility would be demodectic mange, which can also be treated by your vet but is not transmissible to people.

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