The average Shih Tzu lifespan is a little over 13 years. The average purebred lives around 11 years. However, small dogs like the Shih Tzu generally live longer than larger ones.
Health and genetics are contributing factors to how long your Shih Tzu will live.
The shape of a dog’s body can be an indication of potential health problems known as Conformational Defects.
A Shih Tzu’s short muzzle often causes them trouble with their breathing and issues with overheating.
Tracheal collapse is a potentially fatal disease in Shih Tzus. When the windpipe (trachea) gets weak, the organ can flatten and prevent air from entering your pups’ lungs.