Saint Bernard: a giant dog's health, what to anticipate

🐕 Dogs · 🧴 Care & grooming · updated 2026-08-27

Portrait of a golden retriever with an attentive gaze

The Saint Bernard is the archetypal giant dog: imposing, gentle, but marked by the fragilities that come with size. Its lifespan is short and its care costly, starting with drug doses scaled to a 60-to-80-kilo body. Anticipating avoids nasty surprises. All our pointers are in the dog care and grooming section, with the full profile on the Saint Bernard page.

A lifespan limited by size

Very large breeds age faster. A study by Kraus, Pavard and Promislow, published in 2013 in The American Naturalist, showed that each extra kilo shortens a dog's life through accelerated ageing rather than juvenile over-mortality (study on Google Scholar). The Saint Bernard rarely passes 8 to 10 years, which concentrates health spending into a short window.

Bloat and joints

Like other deep-chested giant breeds, the Saint Bernard is among the dogs most exposed to gastric dilatation-volvulus: Glickman and colleagues established this in 2000 in the JAVMA (study on Google Scholar). Add hip and elbow dysplasia, driven by weight, and eyelid conditions such as entropion. Strict weight control during growth is critical.

What care budget to plan

A giant dog costs more at every turn: food, parasite control, trickier anaesthesia, heavier surgery. Our guide to pet insurance for dogs helps you decide, and our page on insuring a Saint Bernard spells out the cover to target for a giant breed.

Frequently asked questions

Why does the Saint Bernard live shorter?

Its giant size drives accelerated ageing and greater exposure to joint, heart and digestive conditions, pulling its lifespan down to around 8 to 10 years.

How can its joints be protected?

By keeping it at a healthy weight from puppyhood, avoiding stairs and jumps during growth, and using a thick, firm bed suited to giant sizes.

Should a giant dog be insured?

It is especially relevant: caring for a 70-kilo dog costs more than average, and breed predispositions weigh heavily when trouble strikes.

This guide is part of Planète Pets’s Dogs universe. Our advice is general in nature: for any health concern, your veterinarian remains the only reference.

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