Veterinary Guide
Signs of Arthritis in Dogs
Arthritis affects 1 in 5 adult dogs in Australia. Early detection is the single most important factor in slowing progression and maintaining your dog's quality of life.
How Common Is Arthritis in Dogs?
Osteoarthritis (degenerative joint disease) is the most common form of arthritis in dogs. It occurs when the protective cartilage lining joint surfaces gradually wears away, leading to bone-on-bone contact, inflammation, and chronic pain. Unlike rheumatoid arthritis in humans, canine arthritis is almost always degenerative rather than autoimmune.
Research published in the Journal of Veterinary Internal Medicine estimates that approximately 20% of all adult dogs and up to 80% of dogs over 8 years old have radiographic evidence of arthritis. Large breeds, overweight dogs, and those with prior joint injuries are at highest risk. However, arthritis can affect any dog of any size or breed.
| Age Group | Estimated Prevalence | Typical Cause |
|---|---|---|
| Under 1 year | 2% | Congenital conditions (hip dysplasia, OCD) |
| 1-4 years | 5% | Post-injury or breed-specific early onset |
| 5-7 years | 20% | Early degeneration, often undiagnosed |
| 8-10 years | 45% | Most common age for diagnosis |
| 11-14 years | 65% | Majority of dogs show clinical signs |
| 15+ years | 80%+ | Near-universal joint degeneration |
Source: Anderson et al. (2020), Journal of Veterinary Internal Medicine; OFA breed statistics
Subtle Early Warning Signs
These signs are easy to miss or dismiss as "just getting older." They represent the best window for intervention.
Slower to Get Up After Rest
One of the earliest and most commonly missed signs. Your dog takes a few extra seconds to stand after sleeping or lying down. This warm-up stiffness occurs because synovial fluid thickens during inactivity and inflamed joints stiffen. It typically resolves within 5-15 minutes of movement.
Reluctance to Jump
A dog that previously leapt into the car, onto the couch, or up stairs now hesitates. They may place their front paws up first and pause, or wait to be lifted. This hesitation reflects discomfort in hips, knees, or shoulders that worsens under load.
Shifting Weight While Standing
Watch your dog when standing still. Arthritic dogs subtly shift weight from one leg to another, or stand with a wider stance than normal. They may keep one back leg slightly tucked underneath them to reduce load on an affected joint.
Shorter Walk Tolerance
Your dog still enjoys walks but tires earlier than they used to. A dog that happily walked 5 kilometres may now slow down or sit after 3 kilometres. This happens gradually enough that many owners attribute it to normal ageing.
Why early detection matters: At this stage, cartilage is thinning but not yet significantly damaged. Starting a green-lipped mussel supplement now can slow cartilage loss, reduce inflammation before it becomes chronic, and delay the progression to clinical arthritis by years. The cost of prevention is a fraction of treating advanced disease.
Obvious Signs of Joint Problems
At this stage, arthritis is clearly affecting your dog's daily life. Veterinary assessment is recommended.
Visible Limping or Lameness
Intermittent limping, especially after exercise or first thing in the morning, is a clear sign of joint pain. The limp may improve once the dog warms up and return after rest. A limp that persists requires veterinary attention.
Difficulty with Stairs
Going up stairs becomes laboured, and coming down may be worse — descending puts significant load on front leg joints. Some dogs begin avoiding stairs entirely or going up and down one step at a time instead of their previous bounding gait.
Licking or Chewing at Joints
Dogs instinctively lick areas that hurt. Persistent licking or chewing at wrists, hocks (ankles), elbows, or hips can indicate joint pain. Over time, this creates bald patches or stained fur (a brown discolouration from saliva) over the affected joint.
Muscle Wasting
As your dog favours painful legs by shifting weight to other limbs, the muscles around the affected joint begin to atrophy. Compare the thickness of your dog's thighs — if one side is noticeably thinner, that leg is likely bearing less weight due to pain.
Advanced Signs Requiring Urgent Attention
These signs indicate significant pain and joint damage. Your dog needs veterinary care and a comprehensive pain management plan.
Aggression When Touched
A previously gentle dog that snaps, growls, or flinches when you touch certain areas is in significant pain. This is not a behaviour problem — it is a pain response. Common trigger areas include hips, lower back, elbows, and shoulders.
Loss of Appetite or Depression
Chronic pain affects mood and appetite. Dogs with advanced arthritis may eat less, show less interest in their surroundings, sleep more than usual, or stop greeting family members at the door. These behavioural changes often indicate pain is affecting quality of life.
Audible Joint Clicking (Crepitus)
A grinding or clicking sound when your dog moves — particularly when getting up or walking — indicates significant cartilage loss. This sound (called crepitus) is bone surfaces rubbing together where protective cartilage has worn away.
Incontinence or Indoor Accidents
A house-trained dog that begins having accidents indoors may be unable to reach the door in time due to painful, stiff joints. This is especially common overnight when joints stiffen during prolonged rest. Do not punish your dog — they need help.
Home Assessment Checklist
Use this checklist to evaluate your dog. If you tick 3 or more items, we recommend a veterinary assessment and starting joint support.
0-2 signs
Monitor closely. Consider preventative supplementation.
3-6 signs
Likely arthritis. Vet check + start supplements.
7+ signs
Urgent vet visit. Comprehensive pain management needed.
What to Do If You Spot These Signs
Visit Your Veterinarian
A vet can perform a physical examination and, if needed, take X-rays to confirm the diagnosis and assess severity. This is important because other conditions (cruciate ligament injury, bone cancer, Lyme disease) can mimic arthritis symptoms. A correct diagnosis ensures appropriate treatment.
Start Joint Supplementation Early
Green-lipped mussel supplements like Joint Rejuvenate provide anti-inflammatory omega-3 fatty acids, glucosamine, chondroitin, and hyaluronic acid — addressing multiple aspects of joint health simultaneously. Unlike NSAIDs, they have no gastrointestinal side effects and can be used long-term. The earlier you start, the more cartilage you preserve.
Manage Weight
Every extra kilogram your dog carries puts 4 kilograms of additional stress on their joints. If your dog is even slightly overweight, weight loss is one of the most effective interventions for arthritis. Ask your vet about an ideal target weight and reduce daily calories by 10-15%.
Modify Exercise
Switch from high-impact activities (ball chasing, jumping, rough play) to low-impact options (leash walks on grass, swimming, gentle play). Several shorter walks are better than one long walk. Let your dog set the pace — if they slow down or stop, it is time to turn around.
Adapt the Home Environment
Add non-slip rugs or mats on hard floors, provide a supportive orthopaedic bed, use ramps for car access, and raise food and water bowls to reduce neck strain. These small changes make daily life significantly more comfortable for arthritic dogs.
Don't Wait Until It's Too Late
Early intervention with Joint Rejuvenate can slow arthritis progression and keep your dog active and comfortable for longer.