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6 Great Pyrenees Health Problems to Watch For (Vet Answer)

Dr. Marti Dudley

By Dr. Marti Dudley

close up great pyrenees dog at the beach

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Dr. Marti Dudley

Veterinarian, DVM

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The giant, double-dewed Great Pyrenees is a beautiful breed, originally bred as livestock guardian dogs The Great Pyrenees have made their way from pastures into the family home, as they make excellent family companions. If you share your home or are considering sharing your home with one of these gentle giants, consider reading below to learn more about health concerns that can develop when owning one of these pups.

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The 6 Great Pyrenees Health Problems

1. Elbow and Hip Dysplasia

A condition commonly found in large-breed dogs is dysplasia of the elbow and/or hip. Joint dysplasia is a condition in which the bones making up a joint do not form correctly, leading to a joint abnormality. When this occurs, the animal experiences joint instability, which can lead to arthritis, discomfort, and mobility impairment. In some dogs, this condition can be noted in puppyhood due to lameness, whereas other dogs may not be diagnosed or show signs of discomfort until later in life.

Hip and elbow dysplasia are diagnosed through the collection of the pet’s history, physical examination, and radiographs. Some dogs with elbow or hip dysplasia will be candidates for surgical correction, whereas others may benefit from supportive care. Supportive care can include weight control, regular exercise, joint supplements, and pain medication.


2. Addison’s Disease (Hypoadrenocorticism)

Addison’s disease (hypoadrenocorticism) is a condition in which the adrenal glands do not provide the body with appropriate levels of steroids and/or mineralocorticoids. Dogs with Addison’s disease are at risk of going into shock and may experience diarrhea and weakness.

Addison’s disease can be difficult to diagnose, as the clinical signs can vary greatly.  Fortunately, this condition can be diagnosed with blood work and treatment is possible. Dogs that present in a crisis will need hospitalization and fluid therapy. Long-term management often entails steroid and mineralocorticoid supplementation.

great pyrenees dog lying in the yard
Image Credit: Sierra Tango, Shutterstock

3. Gastric Dilatation and Volvulus (Bloat)

Large, deep-chested dogs are most likely to experience gastric dilatation and volvulus. This life-threatening condition is when the stomach becomes filled with gas, food, or water and becomes distended. Sometimes, the distended stomach will flip or turn on itself, in a condition referred to as volvulus.

When GDV occurs, the blood supply to gastrointestinal organs is impaired, leading to incredible pain and damaged tissue. This is a medical emergency that requires surgical intervention. Preventative measures are possible, including gastropexy, a surgical procedure in which the stomach is adhered to the abdominal wall, which helps prevent the stomach from flipping on itself.


4. Eye Conditions

The inversion of the upper and/or lower eyelids of dogs is referred to as entropion. This condition can be seen in dogs with excessive loose skin and has been appreciated in the Great Pyrenees. Entropion can cause chronic corneal irritation as the result of ongoing contact of the eyelashes with the eye itself in addition to other conditions, like conjunctivitis. Fortunately, surgical correction can be achieved and eye lubrication may bring relief.

Canine multifocal retinopathy occurs in Great Pyrenees dogs, a condition in which the retina develops lesions that fill with fluid. Often, this is an incidental finding, as affected dogs typically do not lose their vision. Great Pyrenees breeders can have a genetic screening test done to see if their dogs are carriers for this disease.

great pyrenees dog sleeping
Image Credit: OUESTUSA, Shutterstock

5. Neuronal Degeneration

Dogs affected with neuronal degeneration experience weakness and incoordination at a young age, typically before their first birthday. The hind limbs are most often affected, and neurologic abnormalities have been identified throughout the neurologic system.

Unfortunately, this condition is progressive and can result in a complete inability to walk. Although the disease process itself is non-painful, poor mobility can lead to secondary injuries. Genetic testing is available to identify dogs who possess the mutation responsible for this condition.


6. Chondrodysplasia

Chondrodysplasia is a condition commonly referred to as dwarfism, which results in shorter than normal limbs, trunk, and snout. Dogs impacted may be more likely to have dental disease and hearing loss. At birth, puppies appear like litter mates, but within a few weeks, an obvious size difference is noted. Dogs intended for breeding should be screened for this genetic disorder.

Great Pyrenees
Image Credit: jathomas, Pixabay

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Final Thoughts

The Great Pyrenees is a beautiful breed, and these dogs can make excellent companions. It is important to note that not all individuals within the breed will develop the health conditions discussed in this article and that no breed is immune to health concerns. Knowing what ailments your pup may face in their lifetime may help to aid in the recognition of concerns and allow for earlier intervention.

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Featured Image Credit: everydoghasastory, Shutterstock

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