What Is Reverse Sneezing in Dogs? 

Understanding This Alarming (but Often Benign) Breathing

By Dr. Dina Bascharon, DVM Oak Park Animal Hospital - Oak Park, IL

Serving our community since 1972. Where compassion, prevention, and Pawsitive Longevity® come together.

Reverse sneezing is one of the most alarming things a dog can do, especially if you have never seen it before. Suddenly, they extend their neck, make loud snorting or honking sounds, and appear to struggle to breathe.The good news is that most reverse sneezing episodes are not emergencies. Understanding why they happen helps protect your dog's respiratory health over time.

What Is Reverse Sneezing?

Reverse sneezing, also called paroxysmal respiration, occurs when the soft palate becomes irritated and the dog rapidly pulls air inward through the nose. This creates a dramatic but usually short-lived episode lasting seconds to a minute.

Common Triggers

Allergies and Environmental Irritants: Pollen, dust, smoke, and strong scents commonly irritate the nasal passages and soft palate.

Post-Nasal Drip or Nasal Congestion: Mucus accumulation can stimulate the soft palate and trigger an episode.

Excitement or Rapid Breathing: Some dogs reverse sneeze when excited, pulling on a leash, or after vigorous activity.

Structural Factors: Small breeds, dogs with elongated soft palates, or anatomical differences may be more prone.

When Reverse Sneezing Needs Evaluation

Contact your veterinarian if episodes:

• increase in frequency or duration
• are accompanied by nasal discharge or bleeding 
• occur with lethargy, coughing, or difficulty breathing 
• disrupt sleep or daily activity

These signs may indicate chronic inflammation, infection, foreign bodies, or airway disease.

Reverse Sneezing and Pawsitive Longevity®

Chronic airway inflammation can worsen with age if ignored. Early identification and management improve comfort, reduce inflammatory burden, and support healthy aging.

How We Help at Oak Park Animal Hospital

Dr. Dina Bascharon evaluates reverse sneezing by assessing frequency and triggers, environmental exposures, allergic history, and upper airway anatomy. Treatment may include environmental changes, allergy management, or further diagnostics if needed.

Oak Park Animal Hospital 708-383-5542

From our family to yours since 1972...personal care you can trust.