Laryngeal Collapse in Bulldogs and French Bulldogs

Name: Laryngeal Collapse in Bulldogs and French Bulldogs
Creator: Dr. Roy Kraemer
Published: 2024-10-19T11:43:00-07:00

Last updated 22 September 2026 by Roy Kraemer, DVM

Laryngeal collapse in a Bulldog, the end stage of untreated BOAS Dr. Kraemer describes

This is the one airway problem on this site that cannot be undone.

Laryngeal collapse is not something your bulldog is born with. It is something a narrow nose and a long soft palate do to him, slowly, every time he pulls harder for air. The cartilage fatigues, atrophies and finally folds inward.

Caught at stage one it is largely reversible. At stage three the only surgical option left is a permanent tracheostomy. The whole article is really about which of those two you end up in, and the deciding move happens in the first year of life.

Jump to:5 must knows The 3 stages 6 signs to watch 7 owner questions

Prevent it: Airway Support Bundles →

Dr. K’s quick answer

A bulldog-focused vet, hands-on for decades

Quick answer

Laryngeal collapse is a secondary, end stage consequence of untreated BOAS, and the late stage is irreversible. Your bulldog is not born with it. He earns it, breath by breath, because his nostrils and his soft palate make him generate so much suction that the laryngeal cartilage eventually gives way.

It runs in three stages. Stage one is everted laryngeal saccules, and it carries the best prognosis because removing the saccules and correcting the primary faults can stop the process. Stage two is early cartilage fatigue and atrophy. Stage three is total collapse, where surgical repair is not possible and permanent tracheostomy is the only option left.

The single most useful thing on this page: have the larynx examined and the primary BOAS faults corrected within the first year. Everything else, the weight control, the cool rooms, the calming support, buys time. Only early surgery changes which stage your bulldog ends up in.

Laryngeal Collapse In Bulldogs and French Bulldogs INTRODUCTION:

Laryngeal collapse is an irreversible, secondary, end-stage condition that results from progressive, chronic, and severe untreated BOAS (Brachycephalic Obstructive Airway Syndrome). The most common BOAS primary conditions that lead to this collapse are

stenotic nares (pinched nostrils)
and an elongated soft palate

BULLDOG LARYNX ANATOMY

The bulldog’s larynx is a cartilaginous box-like structure that connects the mouth and nose to the trachea (windpipe) and lungs.

Bulldog Laryngeal Collapse 5 X MUST KNOW

Laryngeal collapse late stage is irreversible narrowing, causing severe labored breathing
The early stage offers a better prognosis by repairing BOAS including the elongated palate and everted saccules.
The late-stage prognosis is poor, surgical repair is impossible, and permanent tracheostomy is the only surgical option.
Management includes weight control, a stress-free environment, a cool temperature, supplements, and surgery
Prevention & Care includes Dr. Kraemer’s Obstructive Airways Bundles

Why Bulldogs and French Bulldogs Suffer from Laryngeal Collapse?

Airway resistance and increased negative pressure in the larynx are caused by obstructive airway anatomical problems in bulldogs with flat faces (brachycephalic), such as elongated soft palates and stenotic nares. The laryngeal cartilage is worn down over time by the attempts to counteract those stresses, which compromises its structural integrity and leads to deformity, atrophy, and collapse.

Overweight bulldogs tend to experience a more rapid progression of the condition.

The Three Stages of Laryngeal Collapse in Bulldogs

Laryngeal collapse progresses through three pathological stages, each presenting increasing clinical severity, increasing treatment difficulty, and a worsening prognosis:

PHASE 1: LARYNGEAL EVERSION

Everted Laryngeal Saccules are considered the first phase, the mildest form of collapse, and carry the best prognosis.

Everted saccules are caused by chronic negative pressure that forces the bottom of the larynx to evert, forming right and left obstructions that resemble small balloons.

PHASE 2: LARYNGEAL EARLY COLLAPSE

The laryngeal cartilages begin to fatigue and atrophy, causing a mild collapse that further restricts airflow.

PHASE 3: FINAL LARYNGEAL COLLAPSE

Total collapse of the laryngeal cartilage leads to irreversible narrowing of the airway.

Laryngeal collapse is the most severe form of BOAS and it carries a poor prognosis

From Dr. Kraemer’s inbox

“Dr. Kraemer, our Bulldog Winston is six. He has always snorted and we were told it was just a bulldog thing. Now he honks, cannot walk to the corner, and last week he fainted. The specialist said stage three laryngeal collapse and mentioned a permanent tracheostomy. Is there really nothing else?”

A typical message from a Bulldog owner, shortened, with the name changed.

Dr. Kraemer’s reply

I am not going to soften this, because you deserve a straight answer. At stage three the cartilage has already failed, and there is no operation that rebuilds it. The specialist is not being pessimistic, he is being accurate. A tie back is generally a poor choice in a bulldog because the aspiration pneumonia risk is high, and correcting the nose and palate at this point may help a little but is usually not enough on its own. Permanent tracheostomy is the honest remaining option, and it is a genuine one: it bypasses the larynx altogether and can give a dog real relief. It also asks a great deal of you, for life, with daily care and frequent complications. Nobody should agree to it without understanding that. What I want you to do now is separate two things. The first is Winston: get him lean, keep him cool, keep him calm, control the reflux, treat any flare with anti-inflammatories, and decide with your specialist whether the tracheostomy fits your household honestly. The second is the next bulldog, yours or a friend’s. Winston is six and this took six years to build. The snorting at one year old was the warning, and it was read as a bulldog thing. It is not a bulldog thing. It is the first stage of this, and at that age it is largely fixable. If this article does one thing, I want it to be that.

Dr. Roy Kraemer, DVM

What Are The Symptoms of Laryngeal Collapse in Bulldogs?

Noisy Breathing: Stridor, honking, labored breathing, and stertor that worsens during excitement, activity, or in hot weather
Exercise intolerance
Difficulty sleeping: interrupted sleeping
Gastrointestinal: Vomiting, gagging, retching, and regurgitation, which can lead to aspiration pneumonia
Overheating: Prone to overheating
Collapse and, tragically, sudden death

Laryngeal Collapse in Bulldog and Fr. Bulldog DIAGNOSIS:

Diagnosis begins with an analysis of the dog’s clinical signs and history, followed by:

Visual Inspection: Sedation or anesthesia is required to examine the larynx and surrounding tissues (palate, pharynx, tonsils).
Laryngoscopy: Provides visualization of both the upper and lower airway.
Imaging: Radiographs, CT scans, or MRIs.
Laryngeal Cartilage Function Test: A dynamic test using Doxapram to assess how the larynx responds. This requires an experienced clinician (the plane of anesthesia and the risk involved).

Laryngeal Collapse in Bulldogs: PREVENT & TREAT

Treatment options depend on the stage of the condition. Nevertheless, all BOAS and all laryngeal collapse stages will benefit from

Lean body weight
Stress Free: a calm and relaxed environment
Reduced Activity: minimize strenuous activity, play and excitement
Cool Surroundings: avoid heat and warm climate, use a fan, shade, and AC
Bully Therapeutic Supplements
- StressLess Formula Chews
- V4B Bully HEMP Relax & Calm Chews
- V4B Bully Immune Booster
- Probiotics and Digestive Enzymes
- Fish Oil EFA

BOAS and secondary laryngeal complications are progressive and can become irreversible over time

🩺Performing laryngeal exams and correcting BOAS issues within the first year is critical for success

LARYNGEAL COLLAPSE STAGE 1 SURGERY

Early, timely surgical correction of primary BOAS conditions (stenotic nares and elongated soft palate) and removal of the everted saccules and prolapsed tonsils.

🚨Timing is critical for a successful outcome.

LARYNGEAL COLLAPSE STAGE 2 & 3 MEDICAL TREATMENT

Medical management involves

tranquilizers
Anti-vomiting rx: various anti-emetic tablets and injectables
Anti-reflux & anti-acid: to prevent regurgitation and prevent aspiration, and includes antacids, H2 Blockers, and Proton Pump Inhibitors
Anti-inflammatories: usually steroids

LARYNGEAL COLLAPSE STAGE 2&3 SURGERY:

Stenotic Nares and Elongated Soft Palate surgical correction may help but is usually insufficient.
Laryngeal tie back surgery is generally not recommended due to the high risk of aspiration pneumonia.
Permanent tracheostomy: The only worthy surgical option is a permanent tracheostomy, which bypasses the larynx. While the success rate is limited, it can provide a long-term solution.

⚠️ Permanent tracheostomy requires a lifelong owner commitment and careful management. Complications are common

Laryngeal Collapse in Bulldogs PROGNOSIS

While stage one laryngeal collapse has a good prognosis when timely BOAS repair is performed, the more advanced stages have a poor prognosis, often leading to diminished quality of life and complications such as aspiration pneumonia, cardiogenic and pulmonary edema.

What Laryngeal Obstructive Conditions Can Mimic Collapse?

Laryngeal Paralysis: Uncommon in bulldogs
Polyps and Tumors: Pharyngeal and Laryngeal mass, polyps, tumors
Swelling: due to insect bites or allergic reactions
Incomplete BOAS Surgery: Insufficient removal of the elongated soft palate

From Dr. Kraemer’s exam room

A bulldog-focused vet, hands-on for decades

Insider tip

Here is the tip that saves larynxes, and it costs nothing. When your bulldog is already under anesthesia for anything at all, ask for the larynx to be looked at. A spay, a neuter, a dental, a skin mass. The airway exam adds a couple of minutes to a procedure you have already paid the anesthetic risk for, and it is the only way to know which stage you are in.

Most owners never get this exam because nobody offers it. A yearly physical cannot see the larynx. The dog is awake, and an awake bulldog with stage two collapse sounds exactly like an awake bulldog with none.

One more thing about the honking. Owners tell me the noise got better before a crisis. It does not mean the airway improved. A dog too tired to move air loudly is a dog moving less air. Falling noise with rising effort is a red flag, not progress.

Bulldog laryngeal collapse: quick answers

Can laryngeal collapse be reversed?

Stage one can, in effect. Removing the everted saccules and correcting the primary BOAS faults can halt the process and carries a good prognosis. Stages two and three cannot. The cartilage has fatigued and atrophied, and there is no procedure that restores it.

What causes it in the first place?

Chronic airway resistance. Stenotic nares and an elongated soft palate force your bulldog to generate high negative pressure on every breath. That suction wears down the laryngeal cartilage over years, destroying its structural integrity and leading to deformity, atrophy and collapse. Overweight bulldogs progress faster.

What are the three stages?

Stage one is laryngeal eversion, where chronic negative pressure everts the saccules into two balloon-like obstructions. Stage two is early collapse, where the cartilage fatigues and atrophies. Stage three is total collapse with irreversible narrowing of the airway.

What are the symptoms?

Noisy breathing, stridor, honking, labored breathing and stertor that worsen with excitement, activity or heat. Exercise intolerance. Interrupted sleep. Vomiting, gagging, retching and regurgitation, which can lead to aspiration pneumonia. A tendency to overheat. And in the worst cases collapse and sudden death.

How is it diagnosed?

The larynx cannot be assessed in an awake dog. Diagnosis needs sedation or anesthesia for visual inspection of the larynx, palate, pharynx and tonsils, laryngoscopy for the upper and lower airway, imaging by radiograph, CT or MRI, and in some cases a dynamic function test using doxapram, which needs an experienced clinician because of the plane of anesthesia and the risk involved.

Is a tie back surgery an option?

Generally not in a bulldog. Laryngeal tie back carries a high risk of aspiration pneumonia in this breed. At stages two and three the only worthwhile surgical option is a permanent tracheostomy, which bypasses the larynx. It works, with limited success rates, and it requires a lifelong owner commitment with common complications.

What else can look like laryngeal collapse?

Laryngeal paralysis, which is uncommon in bulldogs. Pharyngeal and laryngeal masses, polyps or tumors. Swelling from an insect bite or allergic reaction. And incomplete BOAS surgery, where not enough of the elongated soft palate was removed. This is why the exam matters more than the noise.

Dr. Kraemer’s Bully Respiratory and Airways Essential Bundle for Bulldogs

🐾 Dr. Kraemer’s airway bundles

The product that prevents laryngeal collapse is early repair. These reduce the load while you get there.

Nothing in a jar rebuilds cartilage, and I will not pretend otherwise. What these do is lower the suction: calming support so excitement is not driving respiratory effort, immune and anti-inflammatory support for the airway tissue, and digestive support for the reflux that follows. Bundle & save

Respiratory & Airways Essential Bundle →

Young bulldog, snorting only? Start with the Basic →

Already diagnosed, stage 2 or 3? The Ultimate →

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Veterinary Care and Supportive Products

Laryngeal collapse is diagnosed under sedation, not in the consulting room, so the request to make of your vet is specific: assess the larynx the next time your bulldog is anesthetized for anything. If he is young and snorting, that request is the highest value thing you will do for him. No supplement rebuilds laryngeal cartilage. What supplements do is reduce the anxiety, inflammation and reflux that raise airway effort and speed the damage along.

What I would actually use

More Help from Dr. Kraemer

Laryngeal collapse is the end of a chain. These cover the links that come before it, and they are the ones you can still act on:

About the Author

Roy Kraemer, DVM, is a veterinarian with extensive clinical experience caring for Bulldogs and French Bulldogs. His educational work emphasizes early airway assessment, correcting BOAS faults in the first year, honest prognosis, and responsible breeding.

Trusted by Vets ~ Recommended by Owners ~ Approved by Bulldogs

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References

American College of Veterinary Surgeons. Brachycephalic Syndrome
Merck Veterinary Manual. Laryngeal Disease in Dogs
University of Cambridge. BOAS Respiratory Function Grading Scheme