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Ask Bondi Vet

Nasal discharge, what could be causing it and what could get rid of it?

My male rough collie started drooling one evening after a long walk and was coughing the next day 10 months ago. He had many bad teeth removed a few months later. By spring last year he was developing a lot of mucous discharge, yellow and white in colour. Last July I agreed to have his nasal cavity scoped, they also scoped his right lung, and the next day he developed aspiration pneumonia. During the scope they discovered that he did not have fungus or cancer and that some of his bone in his nasal cavity had eroded. He was critically ill during the pneumonia, required hospitalization for 11 nights, oxygen therapy, a new scope to determine what was in his lungs (multi resistant e coli bug) and a feeding tube. The correct antibiotics to kill the bug in his lungs was found and he was released after 11 days. He continued with doxycycline until last week as the mucous discharge has not stopped. The mucous discharge continues to this day. His energy level sometimes seems low to this day. He seems happy and playful at times and eats well. My mom told me tonight that she watched your show and you had a border collie that was also having mucous discharge. Could this be the same thing? Looking forward to your response.

Leila from Canada


1 Answer


Hi Leila,

Your poor Rough Collie – 11 days in hospital is a long time and it sounds like he did very well to survive such a nasty infection.

Mucoid nasal discharge can be due to many different respiratory associated diseases but in your dog’s case, it is likely to be associated with the previously diagnosed pneumonia and nasal cavity erosion.

Have you taken him back to see your vet? I would strongly recommend that he be reviewed to ensure that the pneumonia has resolved completely and try to narrow down why the nasal discharge is persisting. It may just need a little more time but it also possible that things are not quite yet resolved. Eating well and being playful are good signs of improved health and his intermittent low energy days may be just temporary as his lung’s recover but I would recommend a review of his condition just to be sure.

Also remember that you can always seek a second opinion with a specialist veterinarian, for your Collie’s problems you would need to see an Internal Medicine Specialist or a cardiothoracic specialist. A consult with either of these may be money well spent as they are highly trained in their disciplines and tend to be very used to treating unusual or challenging cases!

I wish you the best of luck with clearing this respiratory disease once and for all!


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