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What is a reverse sneeze?

A reverse sneeze in dogs is a fairly common and harmless breathing event that sounds alarming but usually isn’t dangerous. Instead of pushing air out (like a normal sneeze), your dog rapidly pulls air in through the nose, creating a snorting, honking, or wheezing sound. It often looks like your dog is struggling to breathe, with their neck extended and chest expanding.

Causes of Reverse Sneezing

  • Irritation or allergies (dust, pollen, perfumes, smoke)
  • Excitement or overexertion
  • Nasal or throat irritation (mild post-nasal drip, pulling on the leash, eating/drinking too fast)
  • Breed tendencies – smaller breeds (like Chihuahuas, Yorkies, Beagles, and brachycephalic breeds) are more prone.

What to Do if It Happens

  • Stay calm — most episodes last a few seconds to a minute.
  • Gently massage your dog’s throat or briefly cover their nostrils to encourage swallowing, which helps stop the spasm.
  • Keep track of frequency — occasional episodes are normal, but frequent ones may mean allergies, nasal mites, or another underlying issue.

👉 When to call the vet: If episodes are very frequent, last longer than a minute, or come with coughing, discharge, or trouble breathing.