Reverse Sneezing in Dogs: What It Is & When to Worry
Veterinary references checked with PetHealth+ · Last reviewed June 2026
By Kaiser Khan , Founder Veterinary references checked with PetHealth+ ( process ) Last reviewed Cite this page How we research & review
Reverse sneezing sounds like rapid inward snorting — often harmless in small breeds. Massage the throat gently and calm your dog; see a vet if episodes become frequent or breathing stays laboured.
What it looks like
Sudden honking or snorting with neck extended — episodes last seconds to a minute.
Triggers
Excitement, pulling on leash, allergens, or post-nasal drip.
When to vet
Chronic episodes, nasal discharge, or collapse after episodes.
Related: Why is my dog coughing? · Kennel cough
Frequently asked questions
Is reverse sneezing dangerous?
Usually benign — but persistent breathing problems need investigation.
Which breeds reverse sneeze most?
Brachycephalic and small breeds are commonly affected.
Can allergies cause it?
Yes — dust, pollen, and perfumes can trigger episodes.
Should I record an episode?
Yes — video helps your vet distinguish reverse sneezing from collapse or choking.