Watching your dog grow older is a journey filled with both love and concern. You may notice their muzzle turning gray, their steps becoming more deliberate, or their favorite activities replaced with longer naps in the sun. At Animal Medical Hospital of Naples, we know just how special these golden years are—and how important it is to provide senior pets with the compassionate, comprehensive care they deserve.
Just like humans, dogs face a range of age-related health issues that can affect their comfort and quality of life. From mobility loss to cognitive changes, early recognition and proactive care are the keys to keeping your aging dog feeling their best. This guide highlights some of the most common health concerns in senior dogs, with expert tips and resources to help you navigate this stage with confidence and love.
Is your senior dog showing signs of aging? Contact us!
Understanding Osteoarthritis in Senior Dogs
If your dog is moving more slowly, limping after rest, or hesitating to jump on the couch, osteoarthritis (OA) may be to blame. OA is the most common chronic condition affecting senior dogs, especially larger breeds and those with a history of orthopedic injury or excess weight. As cartilage deteriorates, the bones in the joint begin to rub against each other, leading to pain, inflammation, and reduced mobility.
Signs of osteoarthritis may include:
- Limping or stiffness, especially after sleep
- Reluctance to walk, jump, or play
- Irritability when touched
- Muscle loss in the legs
- Difficulty climbing stairs
Fortunately, there are many ways to support dogs with arthritis. Weight control is crucial, as extra pounds put more strain on joints. Joint supplements such as glucosamine and omega-3 fatty acids can reduce inflammation, while anti-inflammatory medications, cold laser therapy, or acupuncture offer more targeted relief.
Looking for ideas to help your arthritic dog stay active? Try these exercises for dogs with arthritis or explore the Mobility Matters Guide – AAHA.
Canine Cognitive Dysfunction: More Than Just “Getting Older”
Cognitive Dysfunction Syndrome (CDS), often likened to dementia or Alzheimer’s in humans, is common in aging dogs. Many pet parents attribute changes in behavior to “just getting old,” but CDS is a medical condition that can and should be managed.
Watch for signs such as:
- Confusion or disorientation
- Pacing or restlessness at night
- Forgetting house training
- Increased vocalization or anxiety
- Staring at walls or getting “stuck” in corners
Helping your dog through CDS includes maintaining a consistent routine, reducing environmental stress, and providing mental enrichment through puzzles and scent games. Diets high in antioxidants and supplements such as SAMe or DHA can also support brain health. In some cases, your vet may recommend medications like selegiline.
Explore more about cognitive dysfunction in dogs or review early signs of decline.
Hypothyroidism in Aging Dogs
If your dog seems more tired than usual, gains weight despite eating normally, or has thinning fur, hypothyroidism might be the cause. This condition results from a sluggish thyroid gland and is common in middle-aged and senior dogs.
Common symptoms include:
- Lethargy or decreased stamina
- Cold intolerance
- Dry skin and hair loss
- Weight gain without increased appetite
- Behavioral changes
Luckily, hypothyroidism is highly treatable with a daily hormone replacement pill. Routine bloodwork helps ensure proper dosage and long-term management.
Learn more from the Cornell Veterinary Hypothyroidism Guide.
Diabetes in Senior Dogs: What to Know
Diabetes is another common condition in older dogs, especially those who are overweight or predisposed by breed. This chronic condition results from insulin resistance or insulin deficiency, which disrupts blood sugar regulation.
Signs to watch for:
- Excessive thirst and urination
- Increased appetite with weight loss
- Lethargy
- Cataracts or cloudy eyes
- Recurring urinary tract infections
Treatment usually involves daily insulin injections, a carefully controlled diet, and regular monitoring of blood glucose. With consistent care and veterinary support, diabetic dogs can lead full and happy lives.
Learn more about managing diabetes in pets.
Cancer in Senior Dogs: Early Detection Matters
Cancer is one of the leading causes of death in senior dogs, but early detection gives your pet the best chance at treatment and comfort. Common types of cancer in dogs include lymphoma, mast cell tumors, hemangiosarcoma, and osteosarcoma.
Watch for symptoms like:
- New or changing lumps or bumps
- Unexplained weight loss
- Persistent limping or lameness
- Lethargy or loss of appetite
- Difficulty breathing or coughing
Treatment options vary from surgery and chemotherapy to pain management and palliative care. No matter the diagnosis, our focus remains on improving your dog’s quality of life.
Explore more about types of cancer in pets.
Preventive Care: Building a Wellness Plan for Senior Dogs
Preventive care is the foundation of health in older pets. We recommend biannual wellness exams for senior dogs to monitor for early signs of disease and adjust care plans as needed.
These visits may include:
- Comprehensive physical exam
- Bloodwork and urinalysis
- Blood pressure measurement
- Screening for organ dysfunction or hormonal imbalances
- Pain assessment and mobility checks
Learn more about preventive testing for senior pets and review senior care guidelines – AVMA.
Comfort, Mobility & Home Adjustments
Supporting your dog’s comfort at home can make a major difference. Arthritis-friendly homes include non-slip mats, orthopedic beds, and ramps for getting onto furniture or into the car. Explore assistive devices and arthritis-friendly home tips.
Proper nutrition, senior-specific diets, and supplements such as glucosamine, chondroitin, and omega-3s help maintain healthy joints and immune function. For more information on tailored nutrition, see supplements for senior dogs.
And don’t forget the importance of emotional support—senior dogs thrive on stability, gentle activity, and the familiar comfort of your voice and presence.
We’re Here for Every Step
Aging may change your dog’s pace, but it doesn’t diminish their joy, loyalty, or love. With the right care and attention, their senior years can be just as meaningful—and just as full of tail wags—as their younger days. At Animal Medical Hospital of Naples, we’re honored to support you through every stage of your dog’s life.
If you’ve noticed changes in your pet or simply want to plan ahead, we’re here to help.
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