TL;DR: Loud snorting in dogs is usually a harmless reflex called reverse sneezing that resolves within a minute. Seek emergency care only if your dog's gums turn blue, they lose consciousness, or the episode does not stop.
What are these loud snorting sounds my dog is making?
When a dog makes a sudden, rhythmic, and loud snorting sound while sniffing, it is most frequently a phenomenon known as reverse sneezing (paroxysmal respiration). This occurs when the soft palate or throat becomes irritated, causing the dog to rapidly inhale air through their nose. It often sounds like they are gasping or honking, but it is a common respiratory reflex triggered by dust, pollen, or excitement.
When is my dog's reverse sneezing considered a medical emergency?
- Reverse sneezing is typically harmless, with most episodes lasting less than a minute.
- The urgency level is low if the dog returns to normal activity immediately afterward.
- It is not an emergency unless the gums turn blue or the dog loses consciousness.
- Seek immediate veterinary care if the breathing episode does not stop.
Why should I take a video of my dog's snorting for the veterinarian?
- Recording a video is the most effective way to help a vet, as episodes are usually over by the time you reach the clinic.
- A clear video helps the vet distinguish between benign reverse sneezing and serious issues like tracheal collapse, nasal foreign bodies, or heart conditions.
- Providing visual evidence ensures your pet receives the correct care plan and an accurate diagnosis.
Clinical Context (Merck Veterinary Manual)
Loud snorting sounds while sniffing in dogs, also known as respiratory stertor or reverse sneezing, can be associated with acute rhinitis or an attempt to clear the nasopharynx of obstructing material. Acute rhinitis is characterized by nasal discharge, sneezing, pawing at the face, open-mouth breathing, and/or inspiratory dyspnea, often accompanied by lacrimation and conjunctivitis. Respiratory stertor and inspiratory dyspnea occur when nasal passages are narrowed by inflamed mucosa, glandular elements, and secretions. An acute unilateral nasal discharge, possibly accompanied by pawing at the face, may suggest a foreign body.
Chapter: Neurology, Infectious Disease, Dermatology, Respiratory
Source: The Merck Veterinary Manual, 11th Edition (Page 974)