https://www.vetsurgeon.org/f/clinical-questions/15357/reverse-sneezing I saw a dog today 6.5 yo MN labxgsd with sudden onset reverse sneezing, which the dog demonstrated during the consult. He is otherwise very well, no discharges, eating fine and no problems swallowing. I&#39;ve reassured the owner that it&#39;s nothing seriousen-USTelligent Community 10https://www.vetsurgeon.org/thread/89080?ContentTypeID=1Fri, 24 May 2013 10:23:57 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:449977cc-fc64-407e-bdb0-8b27cffc5a87Dagmar Steele<p>A classic in some countries as scandinavian countries would be nasal mites. Obviously they don&#39;t exist in the UK? but maybe worth checking for any recent travels.</p><div style="clear:both;"></div>https://www.vetsurgeon.org/thread/89077?ContentTypeID=1Fri, 24 May 2013 09:53:09 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:c41a3456-3e2e-4610-b755-a4d8b3890bb0Julian Earl<p>I think it can be irritant inhalation or a specific allergic response, e.g. to pollen. Most don&#39;t require treatment but more seriouscases require nasopharyngeal investigation for tumours o other lesions, an/or anti-inflammatory treatment usually steroids. I&#39;ve seen dogs do it just walking through long grass or when snuffling around undergrowth; that&#39;s why I think an inhaled irritant can be a simple, non-serious cause. You can also see&nbsp; it with pharyngeal and soft palatae tumours, so a thorough investigation is warranted in those that are frequent and severe.</p> <p>HTH.</p><div style="clear:both;"></div>