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My dog has fluid swelling after surgery. Is it normal or needs draining?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed | 10 years and 6 months old

My dog had surgery 6 days ago to remove a lipoma in shoulder area. Was under muscle. Incision looks clean, no drainage but it has a area that seems fluid filled. Have been icing it. Is this normal? Will it go away or is it something that should be drained by vet?

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1 Answer

Most Helpful Answer

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Answered By Megan, DVM, CVA

Veterinarian

Published on October 24th, 2017

This is most likely a seroma which is just a fluid pocket. But a seroma can inhibit healing if it is too big. I would have your vet look at it so they can drain it. Your vet will be able to confirm that it is a seroma and that there isn’t any pus or infection involved. After it is drained you can put a warm compress on it for 10 minutes twice a day to help prevent the fluid from coming back. Sometimes it will return and need to be drained again. Also make sure you are keeping her confined as too much activity can also cause these to form post-op. I hope this helps!

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