A Boston Terrier with black and white markings sitting in a veterinary clinic, showcasing the breed's distinctive flat face and prominent eyes that make them prone to specific health issues
7 min read
Published on October 1, 2025

Boston Terrier Health Issues: A Comprehensive Guide

Boston Terriers face unique health challenges from breathing difficulties to eye problems. Learn to recognise symptoms and manage conditions effectively.

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At a glance

  • Boston Terriers face unique health challenges due to their flat faces and genetic makeup, requiring proactive owner awareness
  • Breathing difficulties from BOAS affect most of the breed and need careful exercise management in hot weather
  • Eye problems are common due to their prominent eyes, requiring immediate veterinary attention when symptoms appear
  • Early detection and weight management can prevent or reduce severity of joint, heart, and respiratory issues

Understanding your dog's breathing challenges

Close-up of a Boston Terrier's flat face and nose, illustrating the anatomical features that cause breathing difficulties in brachycephalic breeds

You might notice your Boston Terrier making more noise when breathing than other dogs, especially during exercise or warm weather. This isn't just a quirky breed trait. Brachycephalic Obstructive Airway Syndrome (BOAS) affects most dogs with flat faces, causing anatomical abnormalities in the nose, soft palate, and throat that restrict normal airflow.

The symptoms range from heavy snoring and noisy breathing to more concerning signs like persistent coughing, overheating, and exercise intolerance. Many owners initially dismiss these as normal for the breed, but recognising when breathing difficulties cross into dangerous territory can be lifesaving.

Exercise management becomes critical for these dogs. Schedule walks during cooler morning or evening hours, stick to shaded areas, and always carry fresh water. Your dog should never exercise in hot or humid conditions, as their compromised breathing system cannot cool them effectively. If you notice persistent noisy breathing, fainting episodes, or your dog struggling to keep up on normal walks, veterinary consultation is essential. Surgical correction can significantly improve quality of life, though it requires specialist care.

Joint problems that affect mobility

Have you wondered why your dog occasionally skips a step or suddenly lifts one leg while walking? Patellar luxation, where the kneecap slips out of place, commonly affects Boston Terriers due to their anatomy. You might hear a popping sound or notice your dog's leg locking up momentarily during walks.

The condition ranges from mild occasional slipping to severe cases requiring surgical intervention. Left untreated, it progresses to arthritis and significant mobility issues. Weight management plays a crucial role here. Every extra kilogram puts additional stress on already vulnerable joints.

Physical therapy and controlled exercise help maintain joint stability in mild cases. Swimming provides excellent low-impact exercise when available. However, if your dog shows persistent limping, leg skipping, or sudden reluctance to use a limb, veterinary assessment determines whether conservative management or surgery offers the best outcome.

Protecting those prominent eyes

Detailed view of a Boston Terrier's large, prominent eyes that protrude from their flat face, showing why they're susceptible to eye injuries and conditions

Those expressive eyes that give Boston Terriers their appealing look also make them vulnerable to injury and disease. Their flat faces and protruding eyes create perfect conditions for corneal ulcers, glaucoma, and cataracts to develop.

Watch for redness, squinting, excessive tearing, or any cloudiness in the eyes. These symptoms require immediate veterinary attention, not a "wait and see" approach. Eye problems in this breed can progress rapidly from minor irritation to vision-threatening conditions.

Prevention focuses on protecting the eyes from trauma during play and maintaining regular health checks. Avoid rough play near your dog's face, and be cautious around other dogs who might accidentally scratch during interaction. Regular eye examinations during routine vet visits catch developing problems before they become serious.

Skin and allergy management

Many Boston Terrier owners worry when they notice their dog scratching excessively or developing patches of hair loss. Mange, caused by mite overgrowth, creates intense itching and dry, flaky skin patches. Allergies can trigger similar symptoms with persistent licking and scratching.

The key lies in prompt veterinary diagnosis rather than guessing at treatments. Mange requires specific medications to control mite populations, while allergies need identification of triggers and appropriate management strategies. Home remedies often delay proper treatment and allow conditions to worsen.

Maintain good skin hygiene with vet-recommended shampoos, but avoid over-bathing which can strip natural oils. Environmental allergens like pollen, dust mites, or certain fabrics sometimes trigger reactions. Food allergies, though less common, require systematic elimination diets under veterinary guidance.

Heart health monitoring

Heart disease, particularly mitral valve disease, develops in many Boston Terriers as they age. The heart valve weakens over time, creating murmurs that veterinarians detect during routine examinations. Early stages often show no obvious symptoms, making regular check-ups essential.

As the condition progresses, you might notice coughing, especially at night or after exercise, decreased activity levels, or episodes of fainting. These symptoms indicate the heart is struggling to pump effectively and require immediate veterinary assessment.

Weight management and dental care play surprising roles in heart health. Excess weight forces the heart to work harder, while dental disease allows bacteria to enter the bloodstream and potentially affect heart valves. Regular professional dental cleanings and home tooth brushing at least three times weekly help protect both dental and cardiac health.

Recognising serious neurological concerns

While less common, hydrocephalus represents a serious condition where fluid accumulates in the brain, causing swelling. Symptoms range from subtle learning difficulties and slow responses to more obvious signs like seizures or dramatic behavioural changes.

Cushing's disease, involving overactive adrenal glands, creates different but equally concerning symptoms. Increased drinking and urination, development of a pot belly, and thinning hair coat suggest hormonal imbalances requiring veterinary diagnosis and ongoing management.

These conditions need professional veterinary care for proper diagnosis and treatment planning. Home management cannot address the underlying causes, though supportive care helps maintain quality of life once treatment begins.

When to seek immediate veterinary care

Certain symptoms in Boston Terriers require same-day veterinary attention rather than waiting for regular appointment availability. Persistent laboured breathing, fainting episodes, or sudden inability to exercise normally suggest respiratory crisis.

Eye symptoms including redness, discharge, cloudiness, or squinting can progress rapidly to permanent damage. Similarly, sudden onset limping, leg locking, or reluctance to bear weight indicates joint problems needing prompt assessment.

Behavioural changes, seizures, or cognitive decline warrant immediate evaluation, as do dramatic increases in drinking and urination. These symptoms often indicate serious underlying conditions where early intervention significantly improves outcomes.

Modern monitoring tools like smart collars can help track vital signs and activity levels, providing early alerts for developing health issues. However, they supplement rather than replace regular veterinary care and owner observation of their dog's normal patterns and behaviours.

Complete Your Boston Terrier Health Check

Every Boston Terrier is unique. Take our health quiz to get personalised recommendations based on your Boston Terrier's specific needs.

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Frequently Asked Questions

Boston Terriers typically live 11-15 years, with proper care and health management playing crucial roles in longevity. Their lifespan can be affected by breed-specific health issues like breathing problems, eye conditions, and joint disorders. Regular veterinary check-ups, maintaining a healthy weight, and early detection of health problems can help your Boston Terrier live a longer, healthier life.
Heart conditions and respiratory complications are among the leading causes of death in Boston Terriers, often related to their brachycephalic (flat-faced) anatomy. Brachycephalic Obstructive Airway Syndrome (BOAS) can lead to serious breathing difficulties, while heart problems may develop with age. Cancer and neurological conditions also contribute to mortality in the breed. Regular veterinary monitoring helps detect these issues early.
Prevention focuses on weight management, environmental control, and regular veterinary care. Keep your Boston Terrier at a healthy weight to reduce stress on joints and breathing. Exercise during cooler times in shaded areas, avoid smoke and irritants, and ensure proper eye protection due to their prominent eyes. Schedule regular check-ups for early detection, and consult your veterinarian about breed-specific screening tests.
Boston Terriers suffer from Brachycephalic Obstructive Airway Syndrome (BOAS) due to their flat faces and anatomical abnormalities in the nose, soft palate, and throat that restrict normal airflow. This causes noisy breathing, heavy snoring, coughing, overheating, and exercise intolerance. Most Boston Terriers are affected to some degree, making it essential for owners to manage exercise and environmental conditions carefully.
Boston Terriers' prominent eyes make them susceptible to various eye conditions including corneal ulcers, dry eye, cataracts, and injuries from trauma. Watch for symptoms like excessive tearing, squinting, cloudiness, redness, or discharge. Due to their eye structure, even minor symptoms can indicate serious problems requiring immediate veterinary attention to prevent vision loss or complications.
Treatment costs vary significantly by condition and location. Routine health management may cost $500-1,500 annually, while surgical interventions for BOAS can range from $2,000-5,000. Eye surgeries typically cost $1,000-3,000, and emergency treatments may reach $3,000-8,000. Pet insurance can help manage these costs. Consult your veterinarian for specific estimates, as prices vary considerably between practices and regions.
Seek emergency care immediately if your Boston Terrier shows severe breathing distress, blue gums or tongue, collapse, sudden eye pain or vision loss, seizures, or inability to cool down after overheating. Other urgent signs include persistent vomiting, difficulty walking, extreme lethargy, or any sudden behavioural changes. Due to their breathing vulnerabilities, Boston Terriers can deteriorate quickly, so don't delay seeking professional help.
Establish a routine including daily eye cleaning with veterinarian-approved solutions, monitoring breathing patterns, and maintaining consistent exercise during cooler periods. Keep your Boston Terrier's weight optimal through measured feeding and regular activity. Clean facial folds daily to prevent infections, provide fresh water always, and create a cool, well-ventilated sleeping area. Regular grooming and environmental management significantly reduce health complications.

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