Quick Answer: Reverse sneezing is a harmless reflex where a dog rapidly inhales through the nose, producing a honking or snorting sound that sounds alarming but resolves on its own within seconds to a minute. It's caused by irritation in the soft palate or nasal area — excitement, allergens, strong smells, or eating too fast can all trigger it. The episode ends, the dog is completely fine, and no treatment is needed.
What It Looks and Sounds Like
The dog stops suddenly, stands still with neck extended and elbows out, and makes a repeated honking, snorting, or gasping sound. The sound is alarming to new dog owners. The episode lasts 5-30 seconds and then stops completely as if nothing happened.
Common Triggers
- Excitement — especially at greeting time
- Allergens — pollen, dust, strong scents
- Eating or drinking too fast
- Tight collar pressure on the trachea
- Cold air
When To See a Vet
Isolated occasional episodes are completely normal. Frequent daily episodes, especially if increasing in frequency, can warrant a vet check to rule out nasal polyps or other structural issues. Flat-faced breeds have reverse sneezing more frequently due to their anatomy.
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