Why Dogs Snort and When It’s a Concern

Common Causes of Dog Snorting

Snorting in dogs is often linked to brachycephalic syndrome, a condition seen in short-nosed breeds such as Pugs, Bulldogs, Boston Terriers, Shih Tzus, and Pekingese. These dogs have anatomical features like collapsed nostrils (stenotic nares), an elongated soft palate, and everted laryngeal saccules, which narrow the airway and cause noisy breathing, snorting, and snoring. The condition worsens during exercise or when overheated.

Prolonged sneezing due to environmental irritants—like new carpets, cleaning agents, perfumes, cigarette smoke, or scented candles—can also lead to nasal congestion and noisy breathing. Sneezing with a watery discharge and face rubbing may indicate canine atopy, while sudden violent sneezing with head shaking suggests a foreign object in the nose.

When Snorting Signals a Health Problem

Snorting becomes a red flag when it’s sudden, severe, or accompanied by other symptoms. If your dog develops noisy breathing unexpectedly, especially with coughing, fever, or a yellowish nasal discharge, it could indicate canine influenza or another infection. These signs require immediate veterinary attention.

Persistent snorting with mouth breathing is a serious concern, as dogs normally breathe through their noses. Mouth breathing means both nasal passages are blocked, which can result from severe nasal obstruction or respiratory distress. This is especially dangerous in puppies with stenotic nares, where soft nasal cartilage causes the nostrils to collapse during inhalation, leading to poor growth and development.

Other Noisy Breathing Sounds to Watch For

Noisy breathing isn’t limited to snorting. Other abnormal sounds include: - Stridor (croupy breathing): A high-pitched raspy sound, often heard during exercise. Sudden onset may mean a foreign body in the voice box; long-standing cases may point to laryngeal paralysis. - Wheezing: A whistling sound during inhalation or exhalation, indicating narrowing in the trachea or bronchi. Causes include chronic bronchitis, heart failure, or tumors. - Shallow breathing: Seen in dogs with chest injuries, fluid in the chest (pleural effusion), or severe pain.

These sounds, especially when combined with rapid, labored breathing, signal respiratory distress and require prompt veterinary evaluation.

Breeds Most Prone to Snorting

Brachycephalic breeds are genetically predisposed to snorting due to their skull shape. The brachycephalic syndrome includes multiple airway abnormalities that develop together: - Collapsed nostrils (stenotic nares) - Elongated soft palate - Everted laryngeal saccules

These issues are often present from puppyhood and tend to worsen with age. In severe cases, affected puppies may have a flattened chest and fail to thrive. Early diagnosis and treatment—such as surgical correction of stenotic nares—can significantly improve quality of life.

When to See a Veterinarian

Contact your vet if your dog’s snorting is: - New or worsening suddenly - Paired with coughing, fever, or nasal discharge - Accompanied by mouth breathing, especially during rest or mild activity - Associated with exercise intolerance, lethargy, or blue gums (a sign of low oxygen)

Even normal snorting in brachycephalic breeds should be monitored. If it interferes with eating, sleeping, or exercise, a vet can assess for underlying airway issues and recommend treatment.