Cats sneeze a lot primarily due to upper respiratory infections (URIs) like feline herpesvirus, environmental irritants like scented candles or dusty litter, or dental issues. While an occasional sneeze is normal, frequent sneezing accompanied by colored nasal discharge, squinty eyes, or a loss of appetite requires a veterinary examination to rule out bacterial infections or foreign objects in the nasal passage.
In the feline world, a sneeze is a protective reflex designed to clear the nasal passages. If your cat sneezes once or twice a day, it’s likely just dust or a strong scent. However, if the sneezing is paroxysmal (occurring in bursts) or accompanied by other symptoms, it’s usually one of the following 2026 health concerns.
The most common cause of frequent sneezing is a viral infection, often referred to as "cat flu."
Cats have highly sensitive nasal passages. In 2026, we see an increase in "indoor allergies" caused by:
If your cat is sneezing frantically and pawing at their face, they may have a "foreign body" (like a blade of grass or a seed) stuck in their nasal turbinates.
Because the roots of a cat’s upper teeth sit directly below the nasal cavity, an infected tooth or abscess can cause inflammation that leads to chronic sneezing and nasal discharge.
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Less common in cats than dogs, a reverse sneeze sounds like a sudden, forceful inhalation or "honking" sound. It is usually caused by an irritation in the throat or soft palate.
Use this checklist to determine if your cat needs medical intervention:
If your cat is still eating and acting normally, you can try these steps to soothe their nose: