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Why is my dog's spay incision red with a blister months later?

Updated On September 23rd, 2025

Pet's info: Dog | Australian Shepherd - miniature | Female | spayed

My female dog has a blood blister with a red ring around it. It’s right where her incision was to be spayed. It’s been a few months since she has been spayed.

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1 Answer

Most Helpful Answer

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Answered By Jenny, DVM

Veterinarian

Published on January 24th, 2018

The sutures take months to fully dissolve and it may be a reaction associated with the remaining suture. It could also be unrelated and be a bite wound. It seems very inflamed and possibly infected. I would have your vet check it to see if antibiotics are needed and what the cause is

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