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Animals and the Afterlife
by Mo van den Tillaart
Reverse sneezing (Pharyngeal Gag Reflex) is a sudden, rapid and extreme forcefull inhalation of air through the nose causing the dog to make repeated snorting noises, which may sound like he is choking. It sounds like the dog is trying to inhale a sneeze, and it is therefore known as reverse sneezing.
Reverse sneezing is often caused by irritation of the the palate/laryngeal area. It causes a spasm in the muscles of the pharynx. Reverse sneezing is characterized by honking, hacking or snorting sounds (gasping inwards). It primarily occurs when the dog is excited, but it can also happen after drinking, eating, running, or pulling on the leash.
In some cases reverse sneezing is caused by foreign bodies in the nasal passage (grass blades), irritation from allergies or irritants (pollens, smoke, perfumes), or even tooth root infections. In those cases you should always consult a vet. If the dog is having repeated attacks of reverse sneezing, your vet may prescribe antihistamines to see if that helps stop the sneezing. When reverse sneezing occurs right after the nose-inoculation against kennel-cough, it would be advisable to give the dog some antibiotics.
Click here for a 'reverse sneezing' YouTube video. This is just one of the many examples on YouTube, so I advise you to browse YouTube for more.
Be sure to seek the advice of your veterinarian about any question you may have