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Why is my dog sleepy and coughing after boarding? Should I worry?

Updated on September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | neutered | 2 years and 11 months old | 75 lbs

I boarded my 3-year-old Labrador over the holidays. All of his vaccinations are up to date, per their rules. He's been a little more sleepy than usual since coming home, and today he had a couple little coughing moments. Other than that he's totally fine - eating and drinking normal, fine on his walks, etc.. Should I be worried?

1 Answer

Most Helpful Answer

Dr. Strydom, DVM

Answered By Dr. Strydom, DVM

Veterinarian

Published on December 29th, 2017

I would not be worried just yet. Even though he was fully vaccinated he could still have acquired kennel cough (bordetella). That vaccine is not 100% effective. If they have been vaccinated against it and they do end up getting kennel cough usually the symptoms are less severe and the course of the disease is shorter so having the vaccine is worthwhile.

Was he vaccinated for influenza (flu)? Again, not a 100% protective vaccine (just like out flu vaccine). This could be more serious if he caught the flu. Just monitor him for worsening signs - not eating, extreme lethargy, increased coughing, not drinking, ocular/nasal discharge, etc. If you notice any of those signs then I would take him to your vet for an exam. A little bit tired and mild coughing is not too worrisome at this stage.

Hope this helps. Best wishes.
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