What I See Most Often as a Practicing Veterinarian
I’ve been practicing as a licensed veterinarian for over a decade, and large-breed dogs have always made up a significant part of my caseload. Newfoundlands, in particular, tend to leave an impression. They’re gentle, expressive, and deeply bonded to their families—but medically, they require owners who are realistic and proactive. Over the years, I’ve seen patterns with this breed that repeat themselves, often because owners were given incomplete or overly optimistic information early on.
What follows isn’t a textbook breakdown. It’s based on what I actually see in exam rooms, emergency clinics, and follow-up visits with Newfoundland dogs and the people who love them.
Orthopedic Problems Start Earlier Than Many Expect
Joint disease is, without question, the most common long-term issue I manage in Newfoundlands. Hip and elbow dysplasia are well known, but what surprises many owners is how early subtle signs can appear.
A few winters ago, I examined a young Newfoundland—barely two years old—whose owner thought he was “just lazy.” The dog hesitated before getting up, avoided stairs, and flopped down heavily instead of sitting. X-rays showed early degenerative joint changes that could have been slowed if weight management and controlled exercise had started months earlier.
In my experience, the biggest mistake owners make is overfeeding during puppyhood. These dogs grow fast, and excess calories put enormous stress on developing joints. I routinely advise against free-feeding and discourage high-impact exercise, such as running on pavement or repetitive jumping, during growth phases. Slower growth almost always pays off later.
Heart Disease Is Not Rare in This Breed
Dilated cardiomyopathy (DCM) is strongly associated with Newfoundlands. I’ve diagnosed it often enough that I now bring it up proactively during routine wellness visits, especially once the dog reaches middle age.
One case that still sticks with me involved a Newfoundland with only reduced stamina as a symptom. The owner mentioned that the dog used to swim for 20 minutes but now quits after 5. A heart murmur wasn’t apparent on first listen, but further testing revealed significant cardiac enlargement. Early intervention gave that dog more comfortable years than if the signs had been dismissed as “normal aging.”
I’m cautious about grain-free diets in this breed unless there’s an apparent medical reason. I’ve seen enough diet-related cardiac changes to recommend sticking with well-established formulations unless a veterinarian familiar with the dog’s history directs otherwise.
Gastric Dilatation-Volvulus Is a Real Emergency
If you live with a Newfoundland, bloat should never be an abstract concept. I’ve treated GDV emergencies in this breed more times than I can count, and the speed at which it becomes life-threatening is something no owner forgets once they’ve seen it.
One evening, an owner rushed in after noticing restlessness, drooling, and repeated unproductive retching. The dog had eaten a large meal quickly and then paced the yard. Surgery saved him, but it was close—and costly, both emotionally and financially.
From a professional standpoint, I strongly recommend feeding multiple small meals, using slow-feed bowls, and avoiding vigorous activity around mealtime. For some families, I also support preventative gastropexy, especially if the dog is already undergoing another surgical procedure.
Skin and Ear Problems Are Often Secondary Issues
Newfoundlands are prone to chronic ear infections and skin irritation, but these problems are rarely isolated. In many cases, they stem from allergies, moisture retention in thick coats, or underlying endocrine issues.
I once treated a Newfoundland with recurring ear infections that didn’t respond to standard therapy. After digging deeper, we uncovered hypothyroidism. Once that was addressed, the ear issues became manageable instead of constant.
Owners often over-bathe or use harsh products, trying to “fix” skin problems. In practice, this usually makes things worse. Consistent coat maintenance, proper drying after swimming, and targeted treatment based on diagnosis—not guesswork—make the most significant difference.
Shorter Lifespan, Hard Conversations
That is the part of the job I like least. Newfoundlands don’t live as long as many people expect, and I’ve had difficult conversations with families who assumed their dog would reach double digits easily.
Cancer and severe joint disease are realities I see frequently in older Newfoundlands. While not every case is preventable, I’ve noticed that dogs with steady weight control, routine screenings, and owners who act early tend to stay comfortable longer.
I’m honest with Newfoundland owners from the start. Loving this breed means accepting higher medical needs and planning accordingly. That preparation doesn’t diminish the bond—it strengthens it.
Final Thoughts from the Exam Room
Newfoundlands are extraordinary dogs, but they are not low-maintenance companions. In my day-to-day work, the healthiest Newfoundlands are almost always owned by people who asked hard questions early, resisted overfeeding, and didn’t brush off subtle changes as “just a big dog thing.”
Experience has taught me that prevention and early action matter more with this breed than almost any other. The owners understand that, from the beginning, the dogs benefit in tangible, measurable, and deeply meaningful ways.