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My young dog has a red rash and new bloody bumps. What is it?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 8 months and 8 days old | 70 lbs

Our dog (appx. just under a year old) got a weird red rash like spot with a slight yellowish border on one his back legs (first picture). We thought it might be an allergic reaction to new shampoo or possibly a hot spot. We gave him a bath with his old shampoo and sprayed his legs down with sulfodene. The spot on his knee has not gotten crusty like a scab and has darkened up a bit ( second picture). Tonight we noticed a new bump on his skin, this time on his back, this one had blood (third pic).

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1 Answer

Most Helpful Answer

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Answered By Daniel Fonza, DVM

Veterinarian

Published on December 20th, 2017

Hi there and thank you for using Petco Pet Education Center, formerly Petcoach to address your concern. Based on the photos you have provided and description, I suspect that Stuart may be dealing with what we call superficial bacterial pyoderma, which is a skin infection. I would recommend treating with the below recommended products, all of which can be found online quite easily. If there is no improvement, I would recommend having this examined by a veterinarian so that the most appropriate diagnostic and treatment recommendations can be made. I hope this helps! Please let me know if you have any other questions or concerns and I would be more than happy to help you further. 1. Douxo PS Chlorhexidine combination shampoo and bathe twice weekly until resolved. 2. Welactin omega 3 fish oil 3. Essential 6 spot on by Dermoscent 4. Malacetic conditioning spray and apply to the affected areas twice daily until resolved.

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