Why does my dog have a dark purple itchy rash on his groin area?
Updated On September 23rd, 2025
Pet's info: Dog | German Shepherd | Male | neutered | 5 years and 7 months old | 80 lbs
Hello, I just noticed that my dog has developed this thick, dark purple, itchy rash on his groin area. I figured it could be from stress, we did just move to a new house yesterday and he did go to his groomer for his normal bath three days ago. I've never seen him have a rash like this before... although he doesn't seem to bothered by it. Just noticed when he was scratching. I appreciate your help in advance.
2 Answers
Most Helpful Answer
Published on September 14th, 2020
Ouch! That does look pretty irritated. If it's on Rocky's belly or underside, it is possible he's rubbed up against something in the new house or during the move/groom that caused irritation. I would keep the area clean and dry with some pet wipes, and place an Elizabethan (cone) collar on him or a T-shirt to prevent him from licking and chewing the spot as that can cause an increase in irritation. If the area doesn't resolve, worsens, visible sores or wounds appear, or it seems to be changing rapidly, having a vet look in person is best to rule out more serious allergy, getting into something, infections, etc that could be a cause.
4Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on December 9th, 2017
Thank you for using Petco Pet Education Center, formerly Petcoach! I can see that Noyb has some redness and scratches in the groin area. This can be caused by an infection, either with bacteria or a fungus. I recommend having Noyb looked at by a vet, to rule out any underlying causes such as a hormonal imbalance, nutritional issue, or a food sensitivity. Your vet can prescribe a different diet to try, oral antibiotics, and some medicated wipes. In the meantime, you can get your dog an E-collar or "cone" to prevent him from licking the area and making the condition worse.
1Pet Parents found this answer helpful
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