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My nursing dog's nipples are hot and discolored. Is this normal?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | unspayed | 2 years and 4 months old | 55 lbs

My dog had 7 pups 13 days ago. We took her to the vet to check her out 3 days ago, because her nipples were a little discolored. They said her nipples were okay, but they seem to be getting darker every day. She breathes really hard when she nurses, but her nipples are not hard. They are kinda hot though. Do they look/sound okay to you?

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1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

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!

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