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What are these sores on my nursing dog's lips after giving birth?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 15 lbs

Hello. I have a female dog that we think is a corgi mix. She just gave birth to 4 puppies and is currently nursing. I just noticed what looks like sores on her lips. What could this be?

1 Answer

Most Helpful Answer

Jessica Desrosiers

Answered By Jessica Desrosiers

Veterinary Technician

Published on January 3rd, 2019

It's possible you are just seeing the pink of her lip showing through, however if the area starts to look irritated (oozing debris, painful, hot to touch, etc), worsens, or swelling starts, I would be concerned something such as an infection or allergic reaction is happening which should be checked out by your vet.
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