The Shih Tzu is irresistibly cute with that flat face, but it comes at a real cost. Breathing problems, eye issues, and spinal conditions mean this small dog can generate big vet bills.
Measured risks
How often they happen is backed by published studies.
Allergies & Skin Issues 12.6%
$1-4k/year
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All dogs 12.58% one-year period prevalence of any skin disorder, all UK dogs (O'Neill et al. 2021, BMC Veterinary Research)
Chronic skin inflammation causing persistent itching. No Shih Tzu-specific figure was confirmed - this is the all-dogs baseline. Full profile →
Dental Disease 9.5%
$0.5-2k Cleaning
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Breed study [4] 9.5% (8.4-10.7) periodontal disease, 13.3% (12.0-14.7) grouped dental disorder, 2,423 UK Shih Tzus (Dale et al. 2024, Canine Medicine and Genetics)
Periodontal disease requiring professional cleaning. A real, breed-specific figure - modestly below the all-dogs baseline. Full profile →
Corneal Ulceration 3.5%
$0.3-1.5k Treatment
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Breed study [4,6] Odds ratio 10.04 (7.30-13.80), prevalence 3.45% (O'Neill et al. 2017, Canine Genetics and Epidemiology); independently corroborated at 3.5% (2.8-4.3) in a 2,423-dog cohort (Dale et al. 2024, Canine Medicine and Genetics)
Prominent eyes on a flat face scratch and ulcerate easily. One of the best-documented, most strongly breed-associated risks for this breed - confirmed in two independent studies. Full profile →
$0.5-3k/year
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Breed study [4] 3.5% (2.9-4.4) obesity prevalence, 2,423 UK Shih Tzus (Dale et al. 2024, Canine Medicine and Genetics)
Weight-related health problems. A real, breed-specific figure - close to the all-dogs baseline. Full profile →
Known risks
Well documented in the breed - but no study has counted how often.
Luxating Patella ~2%
$1.5-3.5k Treatment
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Not measured [3] Odds ratio 1.2 (0.8-2.0), not statistically significant (O'Neill et al. 2016, Canine Genetics and Epidemiology) - all-dogs baseline prevalence is 1.30%; ~2% estimated by applying the odds ratio to the 1.3% all-dog baseline (O'Neill et al. 2016, Canine Genetics and Epidemiology)
The kneecap slips out of place. Despite being a small breed, the largest population study found Shih Tzu is NOT significantly predisposed. Full profile →
BOAS (Breathing Problems) Documented, not counted
$2-6k Surgery
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Breed study [1] Classified as moderate BOAS risk with roughly 50-75% showing some degree of airway grading in a 14-breed screening study (Tomlinson et al. 2026, PLoS ONE, n=42 Shih Tzu) - exact point prevalence not extractable from available data
Brachycephalic obstructive airway syndrome - the flat face narrows the airway. Shih Tzu wasn't part of the classic plethysmography studies (Pug, French Bulldog, Bulldog), but a newer 14-breed screening study places it at moderate risk, with a majority showing at least some grade of obstruction. Full profile →
Cherry Eye Not studied yet
$0.5-2k Treatment
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Not measured [2] Odds ratio 1.17, not statistically significant vs crossbreds (O'Neill et al. 2022, PLoS ONE, VetCompass PNMG study) - all-dogs baseline prevalence is 0.20%
Prolapsed third eyelid gland. Despite being historically suspected, the largest population study of this condition found Shih Tzu is NOT significantly predisposed - a popular claim that doesn't hold up. Full profile →
IVDD (Spinal Disease) Documented, not counted
$3-8k Surgery
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Breed study [5] Confirmed to carry the CDDY/FGF4 retrogene associated with IVDD susceptibility (Batcher et al. 2019, Genes) - no breed-specific prevalence percentage located
A spinal disc ruptures and presses on the spinal cord. Shih Tzu carries the same gene variant linked to IVDD in Dachshunds and French Bulldogs - but no study has published a clean breed-wide percentage. Full profile →
Pancreatitis Not studied yet
$0.5-2.5k Hospitalization
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Not measured No confirmed Shih Tzu-specific prevalence found
Inflammation of the pancreas. No Shih Tzu-specific figure was found. Full profile →
How we know these numbers
- Confirmed = measured or gene-confirmed specifically in this breed
- Breed study = scientists counted it in this exact breed
- Body type = comes from the dog's build - size, skull, skin
- Genetic risk = the gene is proven, the odds are not
- All dogs = an average for all dogs, not this breed
- Not measured = nobody has counted it yet
- How we grade evidence →
Red flags
Insurance Traps
Most owners sign a policy based on ads, but learn the real rules only when their first big claim gets denied. We don't want to scare you. We want to prepare you.
Price Explosion Premium creep
Premiums typically rise 15-20% per year. By senior age, your monthly payment can easily be 3x what you started with.
Hostage Status Pre-existing
Once your dog gets a chronic diagnosis, you can't switch insurers. No other company will cover a sick animal.
The Year 6 Rule Age limit
Many companies drastically cut hereditary condition coverage after age 6. Even if you've been paying faithfully since puppyhood.
Symptom = Game Over Pre-existing
The insurer doesn't need a diagnosis. A vet note from years ago saying 'dog limped slightly today' is enough to deny any future orthopedic claim.
Bilateral Exclusion Bilateral
If your dog tears a ligament in one leg, the insurer automatically stops covering the other (healthy) leg too.
AI Claims Adjuster Coverage
Insurers use AI to scan thousands of pages of medical records with one goal: find a 'kill-word' to deny your claim.
Orthopedic Waiting Period Waiting period
Ligament and hip claims often have a 6-12 month waiting period. Any symptom during that window means zero coverage for the rest of your dog's life.
UCR Limits Exclusion
The insurer doesn't pay your actual bill - just the 'usual, customary and reasonable' rate for your region. Go to a top specialist and you pay the difference.
Common Questions
Real answers about costs, treatment, and insurance coverage.
What is the most common health problem in Shih Tzus?
No single condition is confirmed as the single most prevalent issue in Shih Tzus - published research doesn't establish a breed-wide rate for BOAS (Breathing Problems). The best-documented risk is Dental Disease (9.5%).
How much does pet insurance cost for a Shih Tzu?
Pet insurance premiums for Shih Tzus vary based on age, location, and coverage level. Expect to pay $30-$60/month for a puppy, increasing 15-20% annually. By age 8-10, premiums can reach $100-$200/month. Always compare the actual coverage against the premium - a cheap policy with broad exclusions is worse than no policy at all.
What is the average Shih Tzu lifespan?
The average Shih Tzu lifespan is 10-16 years. The main threats are breathing problems (BOAS), corneal ulcers from prominent eyes on a flat face (a well-documented breed risk, roughly 10x the average dog), and dental disease in the crowded flat-faced jaw. Airway checks and daily dental care are the biggest longevity levers.
Is pet insurance worth it for a Shih Tzu?
Shih Tzus are prone to breed-specific conditions costing thousands to treat. Enroll as a puppy before symptoms appear for genuine financial protection. Read the fine print - check waiting periods, pre-existing condition definitions, and breed-specific exclusions. The workbook helps evaluate whether insurance makes sense for your Shih Tzu.
What is the average yearly vet cost for a Shih Tzu?
A healthy Shih Tzu costs roughly $600-$1,500/year in routine veterinary care (exams, vaccines, preventive medications). With chronic conditions, annual costs jump to $2,500-$5,000+. Senior Shih Tzus with multiple health issues can exceed $6,000-$10,000/year. Breed-specific conditions make financial planning essential from day one.
What pre-existing conditions affect Shih Tzu insurance coverage?
Any symptom, sign, or irregularity documented in your Shih Tzu's medical records before the policy start date - or during the waiting period - becomes a permanent exclusion. Common flags include any noted lameness, skin issues, eye abnormalities, or digestive problems. Even a casual vet note can be used to deny future claims for related conditions.
Does pet insurance cover boas (breathing problems) in Shih Tzus?
Most policies cover boas (breathing problems) only if your Shih Tzu showed zero symptoms before enrollment and the diagnosis comes after the waiting period. Some insurers exclude hereditary conditions after specific age thresholds. If a vet noted related symptoms before coverage started, expect denial as pre-existing.
How much does cherry eye treatment cost for a Shih Tzu?
Prolapsed third eyelid gland requiring surgical correction. Treatment costs vary based on severity and location. Always get itemized estimates before proceeding and verify insurance coverage. Early detection typically reduces costs and improves outcomes significantly.
Why does my Shih Tzu insurance premium keep going up every year?
Pet insurance premiums increase based on your dog's age, breed risk profile, and regional vet cost inflation. For Shih Tzus, expect 15-20% annual increases with no legal cap. A policy that costs $40/month for a young dog can reach $150-$200/month by senior age. Some insurers offer rate lock options, but read the fine print carefully.
Can I switch pet insurance if my Shih Tzu has a diagnosed condition?
You can switch, but any diagnosed condition becomes pre-existing with the new insurer and won't be covered. This effectively locks you into your current insurer for ongoing conditions. Switching only makes sense for coverage of future, unrelated issues. The longer you wait, the more conditions accumulate, and the harder it becomes to switch.
What does pet insurance not cover for Shih Tzus?
Common exclusions include: pre-existing conditions, elective procedures, breeding costs, cosmetic procedures, and preventive care (without a wellness rider). Breed-specific exclusions may apply to hereditary conditions after certain age thresholds. Many policies also exclude behavioral treatments, supplements, and prescription food. Always read the full exclusion list before signing.
Should I get pet insurance or self-insure my Shih Tzu?
It depends on your risk profile and finances. If you save $100-$150/month from puppyhood, you'd have $6,000-$9,000 by age 5 with no exclusions or denials. But one early catastrophic event can wipe out your fund. Shih Tzus' health risks make this breed-dependent. The workbook includes a calculator.
What questions should I ask before insuring my Shih Tzu?
Ask in writing: (1) How do you define pre-existing conditions? (2) Waiting periods, especially orthopedic? (3) Bilateral exclusion clauses? (4) Premium examples at ages 1, 5, 8, and 10 for a Shih Tzu. (5) UCR fee schedule for my zip code? (6) Claims denial rate? If they dodge any question, that's your answer.
Similar dogs
My mother-in-law's boxer. Problem. $1,200 in tests, no answers. Another vet solved it with $8 pills. When you're scared, you'll pay anything - and some vets price accordingly. So I built what I couldn't find: real costs, real exclusions, plain language. Not selling policies.
Sources
Research and data used to compile this profile.
- 1 Tomlinson F, et al. (2026) - Prevalence and conformational risk factors of BOAS across fourteen brachycephalic dog breeds. PLoS ONE 21(2):e0340604.
- 2 O'Neill DG, et al. (2022) - Breed and conformational predispositions for prolapsed nictitating membrane gland (cherry eye). PLoS ONE 17(1):e0260538 - Shih Tzu finding NOT significant.
- 3 O'Neill DG, et al. (2016) - Epidemiology of patellar luxation in dogs. Canine Genetics and Epidemiology 3:4 - Shih Tzu finding NOT significant.
- 4 Dale F, et al. (2024) - Demography, common disorders and mortality of Shih Tzu dogs under primary veterinary care in the UK. Canine Medicine and Genetics 11:2.
- 5 Batcher K, et al. (2019) - Phenotypic Effects of FGF4 Retrogenes on Intervertebral Disc Disease in Dogs. Genes 10(6):435.
- 6 O'Neill DG, Lee MM, Brodbelt DC, Church DB, Sanchez RF (2017) - Corneal ulcerative disease in dogs under primary veterinary care in England. Canine Genetics and Epidemiology 4:5.