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My dog smells fishy. What causes this odor and what can I do?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 2 years and 6 months old

My dog has a weird fishy smell coming from him

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2 Answers

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on November 18th, 2019

I’m wondering if Bruno may have expressed his anal glands - the fluid typically has a foul, fishy odor. Urine might also smell fishy if there is infection. If the smell continues you may want to have Bruno examined by your vet.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on August 21st, 2018

    Good question! Dogs have things called anal sacs that release a liquid when feces pass through the anus. It lubricates the feces to make it easier to pass, and it stinks! These anal sacs can become impacted, and that may be happening to Dubu. She may need them expressed, and I would take her into the vet tomorrow to have them examined and expressed as needed. I hope this helps!

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