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What is reverse sneezing, and why do dogs do it?

Despite our tendency to treat dogs like family, the fact remains: They are not human. Our canine companions have different dietary requirements, sensory experiences, and, of course, anatomy.

Take reverse sneezing. When a human develops an annoying tickle in the back of his throat, he uses his vocal cords to vibrate the muscles in his throat and remove the irritant. When a dog experiences a similar problem, he may exhibit something known as a reverse sneeze. While throat clearing and reverse sneezing accomplish the same thing, they sound completely different.

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Is it cause for alarm? Here’s what a reverse sneeze is and why some dog breeds do it.

yellow dog sneezing

What is reverse sneezing?

It’s a bit disconcerting to hear your dog reverse-sneeze for the first time. Unlike in a regular sneeze in which a dog pushes air out of the nose, the exact opposite happens in a reverse sneeze. During this event, a dog rapidly and repeatedly inhales, while making a loud snorting sound. He may stand still and extend his head and neck, making him look like he’s in distress.

This common respiratory incident is known as a paroxysmal response, meaning it happens suddenly and repeatedly, much like a spasm, and affects the muscular area in the back of the throat known as the soft palate. Most reverse-sneezing episodes last for a minute or less, without causing any lasting physical harm to your dog.

black bulldog smelling daisy

What causes this condition?

Although the exact cause of a reverse sneeze is a mystery to medical professionals, almost anything that irritates your dog’s nose, sinuses, or back of the throat can cause this type of reaction.

For example:

  • Excitement. Some dogs reverse-sneeze when they become excited.
  • Allergens. Others may be having a reaction to something in their environment, such as dust, or household products with strong odors such as cleaning products or air fresheners.
  • An obstruction such as grass or other foreign body your dog has accidentally inhaled.
    Sometimes, even rapid eating or drinking, or pulling hard on the leash, can trigger a reverse-sneezing attack.

Do all dogs reverse-sneeze?

Not all dogs will have this type of reaction, but some are more prone than others. Those who do have an episode are more likely to have repeat episodes during their lifetime.

Dogs with short snouts, known as brachycephalic breeds, such as Boxers, Pugs, and Shih-Tzus, are more likely to experience reverse sneezing because their soft palates are longer and can become irritated more easily. The hard palate is the bony tissue on the front part of the roof of the mouth, while the soft palate, where vocalization, breathing, and swallowing take place, is the soft tissue directly behind it.

Smaller dogs, such as Beagles and Yorkshire terriers, with smaller throats, are also more prone to episodes of reverse sneezing.

How can you help?

Since most reverse-sneezing episodes are over quickly and don’t need any medical intervention, the best thing you can do is just let the incident run its course. Most episodes are over in a minute or so without any lasting effects on your pet.

If the episodes last longer, you can gently massage his throat to help him relax. Or encourage him to swallow by briefly covering his nostrils. Both methods may help dislodge or soothe whatever is irritating your dog’s throat.

Seek immediate medical care if he has trouble breathing, you notice any discharge from your dog’s mouth or nose, or if his appetite or behavior suddenly changes.

When is it time to see the vet?

Most of the time, reverse-sneezing episodes are completely harmless, even though it sounds like your dog is gasping for air or having an asthma attack.

Even so, it’s a good idea to let your veterinarian know what has happened, especially if your dog has never experienced a reverse-sneezing event before. She might ask to examine your dog to make sure it’s not an infectious or chronic condition such as an upper respiratory infection, collapsed trachea, or infestation of nasal mites.

She can also help you determine why it might have happened. If your dog has developed an allergy to something in his environment, she might prescribe antihistamine or work with you to identify possible household irritants you might be able to eliminate. At the very least, the next time your dog starts reverse sneezing, you’ll know he’s simply clearing his throat, not coping with something more serious.

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