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My dog has a skin rash. What causes it and when should I see a vet?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 71 lbs

Wanted to know what kind of rash this is

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2 Answers

Most Helpful Answer

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Answered By Emily, DVM

Veterinarian

Published on June 16th, 2017

I can't diagnose the exact cause of this rash but a bacterial infection, fungal disease, severe contact allergy and even cancer is possible. Turbo needs to get evaluated by his veterinarian as this could become much worse, especially if it is infected, and most over the counter products are ineffective once a rash becomes this large.

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    Answered By Sara Farmer, DVM

    Veterinarian

    Published on May 26th, 2018

    There are many potential causes of a rash like that. It could be a contact hypersensitivity, a bacterial infection, or related to an external parasite like fleas. While I wouldn't necessarily say that it is serious, I do think you should make an appointment with your veterinarian to have your dog examined.

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