Miniature Schnauzer Life Expectancy. Other major health issues that may affect it are urolithiasis and progressive retinal atrophy (pra), while some minor health problems include von willebrand's disease ( vwd ), myotonia congenita,. They do not show signs of age until late in life.

This breed is highly intelligent and active. So the maximum a miniature schnauzer can live is 23 years. Owners can help them reach maximum age by feeding them a healthy diet appropriate for their age, providing regular exercise and playtime, seeing a veterinarian as recommended, and watching for signs of.