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What is dog reverse sneezing on walks? Is it painful for my dog?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 3 years and 11 months old | 20 lbs

What is “inverted(or reverse?) sneezing” and why does my four year old mixed breed Terrier do it when we’re on walks? How should I respond to it? Is he in pain?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on June 1st, 2019

Reverse sneezing is very common in dogs. When dogs reverse sneeze, they typically stand, extend their head and neck, pull back their lips, and inhale repeatedly and forcefully through their nose. A distinctive, loud “snorking" sound is heard each time they inhale. Irritation to the nasopharynx (the area that lies behind the nasal cavities and above the soft palate) causes dogs to reverse sneeze. It could be there is something in the environment causing King to reverse sneeze on his walk. He won't be in pain, but it should be checked out by a vet.

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