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Why does my dog have a sore or rash under his private area?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 2 years and 4 months old | 80 lbs

Dont know what this is, but its under his sack.

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1 Answer

Most Helpful Answer

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Answered By Megan, DVM, CVA

Veterinarian

Published on March 31st, 2018

Poor Mickey! It is difficult to say for sure with just a picture, but it looks like he has a little sore on the back side of his scrotum. I have seen these several times before and it is usually from playing rough outside, a little bug bite, or something similar that irritates the skin and the dog usually make it worse by licking or scooting on it. You could try some Benadryl by mouth twice a day (see link below) and some Benadryl spray and Neosporin twice a day. I would spray it first then apply the Neosporin once the spray drys. I would play a cone collar on him if he is licking it. If it isn't healing or getting worse, I would strongly recommend to have your vet take a look at it. Your vet will be able to determine the cause and get him some antibiotics and stronger allergy meds if needed. https://www.petcoach.co/canigive/dog/benadryl/#!

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