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What causes a rash under my dog's tail and constant scratching?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 6 years and 9 months old | 13 lbs

My dog has been rubbing off or trying to scratch under his tail, and I realized it’s like a rash. It bothers him all the time. His name is TJ & he is 6 years old (July 8, 2011). He is a mixed - chihuahua and greyhound.

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1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on April 14th, 2018

This likely a bacterial infection that will need to be cleaned and disinfected by your veterinarian and then requires prescription ointment and an oral antibiotic. Your dog may also have a food allergy. Please make an appointment with your vet for an exam.

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