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My dog has a small, movable lump on his neck. When to worry?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Male | neutered

Hi my cavapoo has a small pea sized movable lump on his neck. It’s in the muscle we think. It’s not bothering him but is obvious a worry.

1 Answer

Most Helpful Answer

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Answered By Jenny, DVM

Veterinarian

Published on January 1st, 2018

The best thing to do since it does not bother him is monitor the growth. If it changes or get larger or seems painful then I would have it checked immediately. If it does not go away after 2 months then I would have it checked. It may be a cyst or abscess or tumor.

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