Arthritis in Great Pyrenees: What Owners Need to Know

Because Great Pyrenees are relatively long-lived for a big dog, arthritis is a condition many owners eventually face — the reluctance to rise, the shorter patrols, the careful navigation of stairs. Sometimes it's simply age. Often, arthritis is playing a role.

For a breed prone to hip dysplasia and patellar luxation, arthritis is an especially common follow-on. For the bigger picture, see our Great Pyrenees joint health guide.

What Is Arthritis?

Arthritis is inflammation and degeneration within a joint. The most common form in dogs is osteoarthritis, in which the smooth cartilage that lets bones glide comfortably gradually wears down. It's generally progressive, meaning changes tend to accumulate over time.

Why Great Pyrenees Are at Risk

When a joint already fits imperfectly — from hip dysplasia, elbow dysplasia, or a luxating patella — the cartilage wears faster, and arthritis follows. Add a large, hard-working frame carrying that load over a 10-to-12-year life, and the odds add up. Across dogs generally, osteoarthritis is estimated to affect roughly 20% of dogs over a year of age, with rates climbing sharply in older, larger dogs.

Signs of Arthritis in Great Pyrenees

  • Difficulty standing up, especially after rest
  • Slower movement and taking longer to get going
  • Hesitation on stairs or reluctance to jump
  • Sleeping more and moving less
  • Stiffness or a shortened, uneven gait
  • Becoming more withdrawn or less interested in patrolling and play

Because the breed's thick coat and calm temperament mask discomfort, watch for behavioral changes as much as visible ones.

Managing Arthritis

  • Maintain a healthy weight — the most impactful factor; every extra pound adds stress to already hard-working joints, and the Pyr's coat hides weight gain.
  • Preserve muscle — strong muscles stabilize joints; here's why muscle matters more than most owners realize.
  • Encourage appropriate exercise — consistent, low-impact movement, always mindful of heat.
  • Improve traction at home — rugs and runners help on slippery floors.
  • Work with your veterinarian on the right plan for your dog.

What About Joint Supplements?

Many owners include joint supplements as part of a comprehensive mobility plan. Joint supplements are not intended to diagnose, treat, cure, or prevent any disease, including arthritis — they're intended to support normal joint function and overall wellness. To understand the ingredients, see our guide on what to look for in a Great Pyrenees joint supplement. For general mechanics, see arthritis in giant breeds. Always advised to discuss supplements with your veterinarian.

The Bottom Line

Arthritis is one of the most common mobility challenges Great Pyrenees face as they age. Understanding the early signs and taking a proactive approach can help support quality of life — because every comfortable walk and easy stand-up matters.

References

American College of Veterinary Surgeons — Osteoarthritis
https://www.acvs.org/small-animal/osteoarthritis/

Orthopedic Foundation for Animals (OFA) — Disease Statistics by Breed
https://ofa.org/diseases/disease-statistics/

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About the Author

Sarah McLean is the Co-Founder of The Big Damn Dog Co., a brand built specifically for giant breed dogs and the people who love them. Her work is rooted in one mission: helping big dogs live more, better years.

She didn’t set out to build a dog supplement company. It started with her own Great Dane, Lucy, who came into her life after a rough start and changed everything. What began as a personal commitment to give one dog a better life turned into a larger mission to support giant breed dogs everywhere.

Today, Sarah shares what she’s learned through real-life experience, ongoing research, and countless conversations with veterinarians, trainers, and pet care professionals. Her approach is honest, prevention-focused, and built around the belief that big dogs don’t need more. They need better.