Why are my dog's nipples red and what should I do about it?
Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | unspayed | 2 years and 3 months old | 26 lbs
My female dog has red nipples. What causes that?
4 Answers
Most Helpful Answer
Published on June 28th, 2019
If this is an abnormal color change, I recommend to have her examined by the veterinarian. It could indicate an infection or developing mammary tissue. It could also be related to itchy skin. I hope this helps.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on April 25th, 2019
I recommend to have Bllackey examined by her veterinarian and tested for skin and parasites. Many times, mites, ringworm or lace can cause a localized area itching. A bacterial infection is also possible. The doctor should also palpate the mammary gland to make sure there does not appear to be a tumor under the skin. Try to protect the area from further scratching as this can make it worse. You can also add an omega-3 fatty acid supplement for pets to her daily diet to improve overall skin health. I hope this helps and please feel free to post any additional questions.
1Pet Parents found this answer helpful
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Published on December 25th, 2016
It could be that she is heading into her first heat if she isn't spayed. She is about the right age to go into heat for the first time, and you can see changes in the nipples when a dog goes into heat. If she is spayed, then she could have a skin infection in that area, and I would take her into the vet for an exam on Monday.
1Pet Parents found this answer helpful
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Published on February 10th, 2018
I am concerned that Loki's nipples are hot. They also look a bit red to me in the pictures you have provided. This redness and warmth can indicate mastitis, which is an infection of the mammary glands that can occur in nursing dogs. Mastitis is fatal without treatment, so I recommend taking her temperature rectally. A dog's normal temperature is between 101-102.5F. If it's above 103F, she needs to see a vet immediately. Also take her into a vet immedailtey if she stops eating, starts vomiting, and/or becomes very lethargic. Otherwise, monitor her and I would take her back into the vet on Monday for a health check. Good luck, I hope this helps!
1Pet Parents found this answer helpful
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