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Dog has scabs, rash, yellow spots on tail. What to expect at vet?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 10 lbs

I just found out while giving Kiyoko a bath that she developed some scabs and rash on her tail bone. I hope you can see the pictures clearly. On her rash it has some kind of dry spots that are yellow and white. It wasn't there last week when I gave her a bath and I don't know how she got it. It can't be a tick bite because she received her tick shot about 2 months ago. I'm taking her in for a check up this Friday but, before that I want to make sure what to expect.

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1 Answer

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Answered By Mariya Gugel, DVM

Veterinarian

Published on February 6th, 2018

Thank you for using Petco Pet Education Center, formerly Petcoach! I can see that Kiyoko’s skin is pretty inflamed and there appear to be some pustules (zits) and crusting. This can be due to a bacterial or fungal infection. At your appointment, your vet may take some skin and hair samples to determine the exact cause and start Kiyoko on antibiotics. In the meantime, you should wash your hands with soap and water after petting your dog, as certain fungal infections can be transmitted to humans.

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