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My dog has a bleeding lump on her neck. Is it an emergency or abscess?

Updated on September 23rd, 2025

Pet's info: Dog | Saint Bernard | Female | unspayed | 80 lbs

Our 2 year old female St. Bernard doodle has a giant lump on the back of her neck. It has a quarter sized sore in the center of it that has been slowly bleeding for 24 hours. What do we do? All clinics are closed in our area. Is this serious? I attached photos. She enjoys playing outside and swimming in the pond we have on our land.

4 Answers

Most Helpful Answer

Answered By Dr. Strydom, DVM

Veterinarian

Published on April 4th, 2020

It looks infected and is most likely an abscess. It is not an emergency but she should be seen in the next couple days. In the meantime you can just keep the wound clean with some mild soap and warm water, dry it and then you can put some Neosporin on it. Keep her out the water for now.

1Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By Jessica Desrosiers
Veterinary Technician
Published on January 8th, 2017
Poor Sasha! It sounds like you might be seeing an abscess, which is an infection under the skin. It can cause swelling, pain on touch, a hot feeling and pop or ooze debris such as pus or discolored drainage. Any swelling on the face or neck is concerning, and abscesses can worsen quickly, so it is best to seek veterinary care ASAP. Your vet can safely drain it and may recommend leaving a drain in for a few days while providing antibiotics to help it heal.
1Pet Parents found this answer helpful
Answered By Ricardo Fernandez, DVM
Veterinarian, Veterinary Oncology Resident
Published on November 28th, 2018
Thanks for using Petco Pet Education Center, formerly Petcoach! This could potentially be an abscess. Keep in mind that there could be an underlying growth. I would highly recommend that you have him evaluated by your veterinarian for further assessment and treatment. This is usually treated with local therapy with drainage, flushing and debridement as well as systemic antibiotics. If a growth is noted, they can sample it at that time. Good luck and have a good night!
1Pet Parents found this answer helpful
Answered By Dr. Dayna, DVM, CVA
Veterinarian, Certified Veterinary Acupuncturist
Published on August 15th, 2017
Hi there. A young dog like Penelope who develops lump quickly can be a few different things. Howeve, my first thought is an abscess,
It infection. They usually pop up quickly and are tender to the touch. These usually need to be drained and treated with antibiotics. I would recommend that you see your veterinarian for a diagnosis and a plan for treatment. I hope this was helpful!
1Pet Parents found this answer helpful

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