3 Reasons Dog Eyes Water

Veterinarian Dr. Fiona discusses your dog health questions for the highly rated pet insurance provider, Pets Best.

Hi. I’m Dr. Fiona Caldwell; I’m a veterinarian at Idaho Veterinary Hospital. Today, I’m answering some questions from Pets Best Insurance Facebook page. This question comes from Joey, who asks: Why does my dog’s eyes water constantly? It looks like she’s crying, but she’s never in any discomfort.

This could be due to potentially a variety of different problems. If it’s something that he or she’s always done, it’s probably not a big deal. If it’s a new thing, if it’s one-sided, if it’s accompanied by redness, squinting, or more of a thick green discharge; those can potentially be for more serious problems.

1. Occasionally, blocked tear ducts can do that, so your eyes are constantly producing a tear film. If there’s no duct for it to drain, then they’ll spill over.

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2. I’ve seen it happen with tooth root infections, generally, that’s one sided versus both sides and that would obviously be a little bit more serious.

3. The not as serious things that I can think of that can cause excessively watery eyes are eye conformation. Sometimes, the color of the dogs, little white dogs, tend to look like they’re crying more because they’ll get tear staining on the face.

If you’re planning on asking your veterinarian at the next visit, I would encourage you do so, but it’s possible that it’s just something that she does.

If you guys have questions for me, feel free to post them below in the comments or on the Pets Best Insurance Facebook page.



  • Lynn Tolentino

    I have a Papillion. She cleans her face with her paws and has occassionally poked her eye with her dew claws. Do you think it would be wise to have her dew claws removed?

  • floriane

    Hi, my dog’s eyes started watering bout 3 weeks ago. it seems like they watering more when she plays with other dogs (when she get really active). Should I take her to the vet?

  • jessikah davis

    I have a 1 year old pup who’s a mix breed.. he’s had a rough allergy season this year and one issue that hadn’t stopped is the watering eyes. I’ve tried kids benadryl like the vet said but it doesn’t seem to be working..any ideas ?


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