How long do Shih Tzus live?

The median lifespan of the Shih Tzu is 12.8 years, based on the 2024 McMillan et al. study of 584,734 UK dogs.

What health problems do Shih Tzus have?

Commonly reported conditions in the Shih Tzu include BOAS, Corneal ulcers, IVDD, Dental disease, Renal dysplasia.

Is the Shih Tzu a healthy breed?

On the Breed Health Score the Shih Tzu scores 65 out of 100 (grade B), compared with an average of 71 across 155 breeds.

65/ 100

Shih Tzu Grade B

Median lifespani 12.8 yr · small · 4-7 kg · flat-facedi

⇆ Compare Shih Tzu

The Shih Tzu is a small breed with a median lifespan of 12.8 years, which places it around the middle of the 155 breeds we rank for longevity. Commonly reported health conditions include BOAS, Corneal ulcers, IVDD, Dental disease. As a flat-faced (brachycephalic) breed it is predisposed to breathing, eye and skin problems. Its overall Breed Health Score is 65/100 (grade B), against an average of 71/100 across all breeds.

Score breakdown

Longevityi 65%

Conformationi 20%

Hereditary burdeni 15%

Higher is healthier. See methodology.

Common & hereditary conditions

BOAS Corneal ulcers IVDD Dental disease Renal dysplasia

Red marks a life-threatening or major-welfare condition. Click a condition to see which breeds it affects. This list reflects commonly reported conditions, so better-studied breeds may show more; hereditary burden is the lightest-weighted part of the score. Source: RVC VetCompass / AKC / PDSA (indicative).

Thinking of a Shih Tzu? A breed's health profile affects insurance cost. Comparing pet insurance early, before any conditions become pre-existing, usually gets the best cover.

Compare with similar-size breeds

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Data & citation. Median lifespan: McMillan, K.M. et al. (2024) "Longevity of companion dog breeds", Scientific Reports (584,734 UK dogs). Data CC-BY 4.0. Source. Machine-readable: developer API. These are independent estimates for comparing breeds, not veterinary advice. Photo: Abhishek Biradar via Pexels.