What's this blue, dirty rash on my dog's tail? Should I worry?

Question

Hi my dog has a rash on the base of his tail! He doesn’t itch it but he gets uncomfortable when you touch it! It has a blue colour to it and when touched has bit of dirt come out of the skin! it’s quite a large section of his tail but there is not hair loss! i’m slightly worried? Pet's info: Dog | Labradoodle | Male | neutered

Dr. Elizabeth · Accepted Answer

Unfortunately, you can’t tell the cause of the rash just by looks alone. It’s possible this is related to fleas in the environment or that this is an allergic reaction. This could also be related to hypothyroidism. I recommend to discuss treating him with a good flea product like Simparica with his veterinarian. If you must use an over-the-counter product, use Frontline. This is still a good product but there are some resistance with fleas. Make sure to protect the area from any licking or scratching with an Elizabethan collar. You can wash the area once a day and rinse it well. Start him on an omega-3 fatty acid supplement. If this does not start to look better within a week or if it starts to get worse, have him examined by the veterinarian. I hope this helps and please feel free to post any additional questions.

What's this blue, dirty rash on my dog's tail? Should I worry?

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