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My dog has eye discharge. What causes it and when to see a vet?

Updated On September 23rd, 2025

Pet's info: Dog | Golden Retriever | Male | neutered | 8 years and 11 months old | 75 lbs

My dog has discharge in his eye

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1 Answer

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Answered By Amber W

Veterinarian, Certified Veterinary Acupuncturist

Published on September 27th, 2017

It's a little hard to see Cooper's eye in that picture. Usually discharge from just one eye can indicate a scratch on the cornea, an eye infection, uveitis, or a blocked tear duct. If he is squinting the eye, sensitive to light, tearing heavily or has any redness to the eye then he should be examined as soon as possible as this could be a scratch on the cornea or uveitis that needs to be addressed right away. Yellow or greenish discharge may indicate an infection and Cooper should be examined to decide if he needs eye drops. If it seems like everything else is normal and the discharge is mild and white in color this could be related to a blocked tear duct. In this case You can try using a sterile saline eye wash to flush his eye. However if the problem does not resolve in a day or two it would be best to have him checked out by your veterinarian. Thanks for using Petco Pet Education Center, formerly Petcoach and I hope Cooper is doing better soon!

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