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Why is my dog's neck leaking clear mucus or fluid? Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | unneutered | 5 years and 8 months old | 65 lbs

my dog has a clear mucus draining from atop of his neck

2 Answers

Most Helpful Answer

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Answered By Kevin Sanada, DVM

Veterinarian

Published on November 20th, 2017

Mucous only comes from they eyes, mouth and nose, so I would first be suspicious of it coming from one of these areas. If there is a hole in the skin that is leaking mucous-like fluid then I would be suspicious of a cyst, infection, or possibly a fistula from the esophagus. It's really difficult to know without being able to examine it. This does have the potential to be something serious, so it's worth taking him to the vet for an exam. The vet should be able to quickly tell why this is happening and can offer effective treatment for it. I hope that helps and Ranger gets better soon.

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1Pet Parents found this answer helpful

Other Answers

  • Image profile

    Answered By Kevin Sanada, DVM

    Veterinarian

    Published on

    Mucous only comes from they eyes, mouth and nose, so I would first be suspicious of it coming from one of these areas. If there is a hole in the skin that is leaking mucous-like fluid then I would be suspicious of a cyst, infection, or possibly a fistula from the esophagus. It's really difficult to know without being able to examine it. This does have the potential to be something serious, so it's worth taking him to the vet for an exam. The vet should be able to quickly tell why this is happening and can offer effective treatment for it. I hope that helps and Ranger gets better soon.

    Vote icon

    1Pet Parents found this answer helpful

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