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My old dog has bloody drool, eye gunk, and won't eat. What now?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 15 years and 5 months old | 50 lbs

Dog, male, 15 years, border collie x Labrador, 50 lbs: thick, stringy, sticky mucus drooling out of right side mouth... wipe several times per day and returns... slight red tinge at times suggesting blood? also a thick mucus in right eye (darker and cloudier than mouth)…. hasn't barked or talked in several days.... not eating regularly but does eat, especially if i soften food.... breathing ok, some panting.. going on 5 days.... haven't treated other than mullein tea as expectorant... lungs?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on June 18th, 2018

It sounds like there are a couple of things going on with Scout at the moment. The drooling and blood from his mouth suggests a dental problem, which can be common in older dogs. It would also cause him to not eat as much, and he would eat the softened food because it won't hurt his teeth as much. As for the thick mucus from his eyes, that can be a sign of an eye infection. Finally the panting can be a sign of being hot or something more serious such as heart disease. It's very concerning to me that you think there is blood in his drool and his eating has decreased. You need to take him into the vet first thing in the morning, this is not something that can be treated at home or should be left untreated. The vet can treat his myriad of problems. Best of luck, I hope this helps.

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