Short answer: watch for limping, stiffness after rest, reluctance to climb stairs or jump, and reduced enthusiasm for play — and rather than relying on guesswork, a free, validated tool called the Canine Brief Pain Inventory can help you assess your dog's pain more objectively. Our Hip & Joint Chews can support ongoing joint comfort once you've identified a concern.
Below, we break down the real signs of joint pain and arthritis in dogs, how genuinely underdiagnosed it is, the difference between developmental and degenerative problems, and a genuinely useful assessment tool most sources don't mention.
Written by Jamie Sinclair, who writes about canine health, nutrition, and everyday care for Doggy Dailies — focused on translating veterinary research and real ingredient science into practical, honest guidance UK dog owners can use.
Table of Contents
- Why Joint Pain Can Be Hard to Spot
- A Genuinely Underdiagnosed Condition: The Real UK Numbers
- Two Types of Joint Problems
- Common Signs to Watch For
- A Genuinely Useful Tool: The Canine Brief Pain Inventory
- The Biggest Factor You Can Control: Weight
- Home Changes That Genuinely Help
- When to Consider Supplements
- Doggy Dailies Joint Care
- FAQ
- Sources
Why Joint Pain Can Be Hard to Spot
Dogs are naturally stoic, and younger dogs especially will often keep playing enthusiastically even when it's making an underlying issue worse. This instinct to hide discomfort is exactly why joint pain is so commonly missed or dismissed as "just getting older" until it's become significant.
That assumption cuts both ways, though. Slowing down isn't automatically arthritis — several other conditions produce similar signs, and assuming it's age-related joint disease can lead to the real problem going untreated. That's why the signs below are a prompt to see your vet, not a diagnosis.
If arthritis specifically is what you suspect, our guide to the signs of arthritis in dogs covers how vets diagnose and stage it, and what treatment involves.
A Genuinely Underdiagnosed Condition: The Real UK Numbers
This is worth knowing because it explains why so many owners are caught off guard.
UK primary-care vet records analysed through the RVC's VetCompass programme found osteoarthritis formally diagnosed in only around 2.5% of dogs annually — roughly 200,000 UK dogs — but researchers are explicit that this figure is likely a substantial underestimate of the true rate, since it only counts dogs where a vet actually recorded the diagnosis in the notes (O'Neill et al., 2018, Scientific Reports).
Referral-based studies, which look more closely, have found figures as high as 20% of dogs over one year old. Separate research examining dogs over 8 years old on X-ray found osteoarthritis in the hip joint alone in 37% of dogs — many with no obvious lameness their owner had noticed (AAHA).
One veterinary researcher's conclusion is worth repeating directly: routine orthopaedic examination as part of every annual check-up is needed precisely because owner-observed lameness alone misses a significant share of cases.
Once diagnosed, osteoarthritis is a genuinely long-term condition too — the same VetCompass data found it affects an average of 11.4% of an affected dog's remaining lifespan, underlining why catching it earlier, rather than waiting for obvious limping, matters.
Two Types of Joint Problems
It helps to understand there are genuinely two different categories:
- Developmental — present from birth or early growth, usually genetic, and includes conditions like hip and elbow dysplasia, patellar luxation and osteochondrosis. Certain breeds are predisposed based on their conformation.
- Degenerative — develops over time from repeated use, wear on cartilage, or ligament injury. This is where osteoarthritis (also called degenerative joint disease) sits: cartilage breaks down, the joint surface roughens, and bone rubs on bone. Cranial cruciate ligament rupture is among the most common causes, and larger, heavier dogs are more prone simply because of the extra load on their joints.
Common Signs to Watch For
- Limping or favouring one leg — often the clearest sign
- Stiffness, especially after rest, sleep, or first thing in the morning — it often eases as they warm up, which is why it's easy to miss
- Reluctance to climb stairs, jump, or get up, including hesitating before getting into the car or onto the sofa
- An altered gait — a shortened stride, unusual posture, or a more hunched back
- Slipping on hard floors — struggling for grip on laminate or tiles is a common early giveaway
- Licking or chewing at a joint — particularly the front "wrists"; persistent licking can make the skin sore
- Reduced activity levels — spending more time resting, less enthusiasm for walks or play
- Behavioural changes — whining or growling when touched or lifted, or uncharacteristic irritability
- Difficulty posturing to toilet — easy to overlook, but a genuine sign of pain
- Visible swelling around a joint, sometimes with noticeable warmth
- Worse in cold weather — stiffness that clearly increases over winter is worth mentioning to your vet
A Genuinely Useful Tool: The Canine Brief Pain Inventory
Most advice on this topic just lists symptoms to watch for, which leaves you guessing how concerned to actually be. There's a better option: the Canine Brief Pain Inventory (CBPI), a free, scientifically validated questionnaire specifically designed for owners to assess their dog's chronic pain — covering both pain severity and how much it's interfering with daily activities.
It's been validated in peer-reviewed research and is used by veterinary researchers to measure real treatment effects (peer-reviewed psychometric validation study).
You can find and complete it for free at CanineBPI.com — genuinely worth doing if you're unsure whether what you're seeing warrants a vet visit, and useful to repeat over time to track whether things are improving or worsening.
The Biggest Factor You Can Control: Weight
If your dog is carrying extra weight, this matters more than any supplement you can buy.
Excess body weight increases the load going through every joint, and it's consistently identified as a factor that both accelerates the onset of arthritis and worsens the pain once it's established — the same UK data above identified higher bodyweight as one of the clearest risk factors for an osteoarthritis diagnosis.
It's also the one part of joint management that's entirely in your hands and costs nothing. If you're unsure whether your dog is a healthy weight, your vet can give you a body condition score and a realistic target — that conversation is worth having early rather than after mobility has declined.
Home Changes That Genuinely Help
- Non-slip rugs or runners on hard floors — slipping is both painful and frightening for a dog with sore joints
- A ramp for getting in and out of the car, and steps for the sofa or bed if they're allowed up
- A supportive, well-padded bed, kept somewhere warm and away from draughts
- Regular, gentle exercise — little and often beats one long walk at the weekend. Complete rest isn't the answer; controlled movement maintains the muscle that supports the joint
- Raised food and water bowls if bending down looks uncomfortable
- Hydrotherapy — worth asking your vet about, as it builds strength without loading the joints
When to Consider Supplements
Once you've identified signs of joint discomfort, always speak to your vet before starting any new supplement — they can assess your dog properly and rule out or confirm the underlying cause.
Look for joint supplements with named ingredients like glucosamine, chondroitin, green-lipped mussel and omega-3 in meaningful amounts, and follow your vet's guidance on usage based on your dog's size and specific issue. For a full breakdown of what to look for and how to choose between products, see our full guide to choosing a dog joint supplement.
If your dog also has a history of pancreatitis or a liver condition, see our guide on whether glucosamine is safe for dogs with pancreatitis for what's genuinely worth discussing with your vet.
It's worth being realistic about what a supplement does. Veterinary guidance generally positions joint supplements as one part of an overall plan — alongside weight control, appropriate exercise, home adjustments and, where needed, prescribed pain relief — rather than something likely to be sufficient on its own for a dog in genuine pain.
Anyone telling you otherwise is selling harder than the evidence supports.
Doggy Dailies Joint Care

Our Hip & Joint Chews combine glucosamine, chondroitin, MSM, green-lipped mussel, turmeric and Boswellia — a genuinely useful part of an ongoing care plan once your vet has confirmed a supplement is appropriate for your dog. Please note: the glucosamine in these chews is derived from shrimp and crab, so they aren't suitable for dogs with a shellfish allergy.
If that applies to your dog, our JOINT-EZE Tablets use corn-derived glucosamine instead.
FAQ
What are the first signs of joint problems in dogs?
Limping, stiffness after rest, reluctance to climb stairs or jump, slipping on hard floors, and reduced enthusiasm for activity are usually the earliest, most noticeable signs.
How common is osteoarthritis in dogs really?
UK vet records show it formally diagnosed in only around 2.5% of dogs a year, but researchers believe this is a significant underestimate — X-ray studies of older dogs have found joint osteoarthritis in over a third, often with no lameness the owner had noticed.
What's the difference between developmental and degenerative joint issues?
Developmental issues are present from birth or early growth (like hip dysplasia) and are usually genetic; degenerative issues such as osteoarthritis develop over time from wear and repeated use.
Is my dog just slowing down with age, or is it arthritis?
You can't tell from behaviour alone, and assuming it's age can mean a treatable problem goes untreated. The CBPI questionnaire gives you something more objective to take to your vet.
Is there a tool to help assess my dog's joint pain?
Yes — the Canine Brief Pain Inventory (CBPI) is a free, validated questionnaire available at CanineBPI.com that helps owners assess pain severity and its impact on daily life.
Does my dog's weight affect their joints?
Significantly. Excess weight increases load on every joint and is linked to both earlier onset and worse pain. It's the most effective thing most owners can change.
Should I give my dog a joint supplement without seeing a vet first?
It's best to consult your vet first, especially for a new or worsening issue, so they can properly assess the cause and recommend appropriate management alongside any supplement.
Sources
- O'Neill et al. (2018) — Prevalence, duration and risk factors for appendicular osteoarthritis in UK dogs, Scientific Reports
- AAHA — Canine osteoarthritis: an underdiagnosed condition
- Canine Brief Pain Inventory validation study
This article is for general information only and isn't a substitute for veterinary advice. If your dog shows signs of joint pain, please consult your vet.
Ready to support your dog's joint health? Shop our Hip & Joint Chews or browse our full range of dog supplements.