Close-up of an older dog's face - early signs of arthritis in dogs
on September 02, 2026

Signs of Arthritis in Dogs: Early Symptoms, Stages & How to Help

The clearest early signs of arthritis in dogs are stiffness after rest, reluctance to jump or climb stairs, and a slower, more hesitant gait — often mistaken for "just getting older" rather than a genuine, manageable condition. Arthritis is genuinely common and frequently under-recognised, since dogs are naturally good at masking discomfort. Below, we cover how to tell if your dog has arthritis, whether it's in the back legs or front legs, what the actual UK data says about how common it is, how vets diagnose and stage it, what treatment involves, and where natural support like our own Hip & Joint Chews genuinely fits into a management plan.

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

How Common Is Arthritis in Dogs, Really?

You'll often see the claim that "1 in 5 dogs" have arthritis — worth knowing this figure actually traces back to a 1996 telephone survey of North American vets, not a rigorous modern study, though many experts believe the real number is higher given how easily dogs mask pain.

A large, genuinely current UK study analysing electronic health records from 455,557 dogs under primary veterinary care found an annual diagnosed prevalence of 2.5% — equating to around 200,000 UK dogs a year — but the same researchers note this is likely a significant underestimate, since many affected dogs are never formally diagnosed. Referral-based studies, which capture more advanced cases, put prevalence as high as 20% (Anderson et al., 2018, Scientific Reports). Whatever the exact number, the pattern is consistent: arthritis is common, and significantly under-diagnosed because owners and dogs alike tend to normalise gradual, creeping symptoms.

Early Signs and Symptoms to Watch For

  • Stiffness after rest — particularly noticeable first thing in the morning or after a nap, easing somewhat once your dog gets moving. This is usually the very first sign.
  • Reluctance to jump, climb stairs, or get into the car — often one of the earliest signs, since these movements load the joints hardest
  • A slower, more hesitant gait — shorter strides, more careful movement, especially on hard or slippery floors
  • Reduced enthusiasm for walks or play — a dog that used to bound ahead now lags behind or tires quickly
  • Licking or chewing at a joint — a self-soothing behaviour some dogs direct at a painful hip, elbow, or knee
  • Behavioural changes — increased irritability, withdrawal, or sensitivity to being touched near an affected joint; the UK charity Canine Arthritis Management adds changes in behaviour towards other dogs and even coat changes to the list (Canine Arthritis Management)
  • Muscle loss or a visibly thinner limb — from a dog favouring one side and using an affected leg less over time

Because these signs develop gradually, they're easy to write off as normal ageing. A useful test: film your dog getting up from a lie-down and walking away, then compare it with a clip from six months ago. If you're noticing more than one of these, it's genuinely worth a vet check rather than waiting to see if it gets worse. If you're not sure whether what you're seeing is arthritis or something else, our guide to signs of joint problems in dogs covers the wider picture.

Arthritis in the Back Legs vs Front Legs

Arthritis in the back legs (hips, knees, hocks) tends to show up as a hesitancy to jump onto furniture, a "bunny hop" gait when running, or difficulty rising from a lying position with the back legs specifically struggling first. Arthritis in the front legs (shoulders, elbows, wrists) more often shows as head-bobbing when walking (the head lifts as the sore front leg takes weight) and reluctance to put weight on that side when standing still. Hip and elbow dysplasia, both more common in larger breeds, are frequent underlying causes of arthritis at these specific joints — but the general signs above apply regardless of which end is affected, and only a vet exam can confirm exactly which joint is involved.

Who's Most at Risk?

The same UK study identified several genuine, statistically significant risk factors for a diagnosed arthritis case: being male, being neutered, carrying more weight than average for the breed, and being over 8 years old. Certain breeds — including Labrador Retrievers and Golden Retrievers — showed up as being at higher risk too (Anderson et al., 2018). Bodyweight is a genuinely modifiable risk factor among these — dogs at or above their breed's average weight had more than double the odds of an arthritis diagnosis compared to dogs under it.

How Vets Diagnose Arthritis in Dogs

There's no single test. Your vet will start with your description of the changes at home (which is why the video comparison above is so useful), then examine your dog and manipulate each joint, feeling for restricted movement, swelling, and the crunching sensation called crepitus. From there they may suggest X-rays, but it's worth knowing their limit: changes in the bone often don't show on X-ray until arthritis is well established, so an early case can look normal on film while the dog is clearly uncomfortable. Because of that, many UK vets use a short trial of anti-inflammatory medication as part of the diagnosis — if your dog visibly improves on it, that response is itself strong evidence of arthritic pain (Canine Arthritis Management). CT scans or joint taps are reserved for cases that need more detail.

The Stages of Arthritis in Dogs

You'll see "the 4 stages of arthritis" used loosely online — mild, moderate, severe and end-stage. Vets use something more precise: a validated framework called the Canine OsteoArthritis Staging Tool (COAST), which combines a clinical exam, owner-reported signs, and imaging to place a dog at a defined stage — from Stage 0 (no risk), through "at risk" with no current signs, to Stages 1–4 of established disease from mild to severe. A 2024 study using this tool on young dogs (aged 8 months to 4 years) found that even in this younger group, nearly 24% already showed clinical signs of osteoarthritis, underlining that this isn't purely an old-dog condition (Meyer et al., 2024, Scientific Reports). Roughly, the stages look like this from the owner's side:

  • At risk / Stage 1 (mild): occasional stiffness after rest, no obvious lameness; joint changes may not yet show on X-ray
  • Stage 2 (moderate): consistent stiffness, reluctance with stairs and jumping, slowing on walks, some muscle loss
  • Stage 3 (severe): visible lameness, pain on handling, reduced range of motion, clear behaviour change
  • Stage 4 (end-stage): difficulty rising or refusing to move, marked muscle wastage, quality of life affected — needs active veterinary pain management

The reason staging matters is that the plan changes with the stage: what works at Stage 1 (weight, exercise, supplements) is not enough on its own at Stage 3.

Treatment: What Your Vet Is Likely to Suggest

Arthritis can't be reversed, but it can be managed well for years, and a good plan is usually several things at once rather than one:

  • Pain relief and anti-inflammatories — non-steroidal anti-inflammatories (NSAIDs) are the usual first-line medication. They work well but need monitoring with long-term use, particularly in dogs with kidney or liver concerns, so expect regular check-ups (Guide Dogs UK)
  • Monthly anti-NGF injections — a newer class of treatment, licensed in the UK since 2021, that blocks nerve growth factor, a key driver of arthritis pain. Given as a monthly injection at the practice; your vet will discuss whether it suits your dog
  • Weight loss — the single most effective non-drug intervention; see the risk data above
  • Physiotherapy and hydrotherapy — UK practices increasingly refer to registered canine physiotherapists; hydrotherapy builds muscle without loading the joints
  • Home adjustments — rugs on hard floors, ramps for the car and sofa, raised bowls, an orthopaedic bed
  • Joint supplements — as one part of the plan, below

Surgery (joint replacement, arthroscopy) is an option in specific cases and is a specialist conversation.

Natural Support That Genuinely Helps

Doggy Dailies Hip and Joint Chews jar for dogs with arthritis

Alongside veterinary care, a few evidence-backed approaches genuinely help manage arthritis day to day:

  • Weight management — given how strongly bodyweight is linked to arthritis risk, this is one of the most impactful things you can do; see our Natural Pain Relief guide for the real research behind this
  • Joint supplements — omega-3s have the strongest trial evidence; glucosamine, chondroitin and green-lipped mussel have genuine but mixed evidence; our Best Joint Supplements guide covers exactly what the research shows for each ingredient
  • Low-impact exercise — regular, gentle movement (short walks, swimming) helps maintain muscle and mobility without overloading painful joints; several short walks beat one long one
  • Orthopaedic bedding and ramps — reduces the physical strain of everyday movements like getting up or into the car

Our Hip & Joint Chews combine glucosamine, chondroitin, MSM and green-lipped mussel with turmeric and boswellia, and our JOINT-EZE Tablets pair corn-derived glucosamine (shellfish-free) with green-lipped mussel and hyaluronic acid — useful as one part of a broader plan, not a standalone treatment for a diagnosed condition. For an older dog specifically, our guide to helping an older dog with joint pain goes through the day-to-day routine.

When to See a Vet

See your vet if you notice any combination of the signs above, especially if they're new, worsening, or affecting your dog's quality of life. Early diagnosis and management genuinely make a difference to long-term comfort and mobility — arthritis can't be reversed, but its progression and impact can often be meaningfully slowed. Never give human painkillers: ibuprofen and paracetamol are toxic to dogs at amounts people take without thinking.

FAQ

What are the first signs of arthritis in dogs?
Stiffness after rest, reluctance to jump or climb stairs, and a slower, more hesitant gait are usually the earliest noticeable signs, often mistaken for normal ageing.

How do I tell if my dog has arthritis?
Watch how they get up after a lie-down and how they handle stairs and the car; irritability when touched and lagging on walks are further clues. Only a vet can confirm it — through examination, sometimes X-rays, and often a trial of anti-inflammatory medication.

How common is arthritis in dogs?
A UK study of over 455,000 dogs found a diagnosed annual prevalence of 2.5%, though this is likely an underestimate since many cases go undiagnosed. Referral-based studies suggest true prevalence could be as high as 20%.

What are the 4 stages of arthritis in dogs?
Loosely, mild, moderate, severe and end-stage. Vets use the COAST framework, which grades from "at risk" through Stages 1–4 using a clinical exam, owner-reported signs and imaging.

Can young dogs get arthritis?
Yes. A 2024 study found nearly a quarter of dogs aged 8 months to 4 years already showed clinical signs of osteoarthritis — it isn't purely a condition of old age.

How is arthritis in dogs treated?
Usually a combination: anti-inflammatory pain relief or monthly anti-NGF injections from your vet, weight loss, controlled low-impact exercise, physiotherapy or hydrotherapy, home adjustments like ramps and rugs, and joint supplements as supporting care.

Can arthritis in dogs be reversed?
No, but its progression and impact can often be significantly slowed with early diagnosis, weight management, appropriate exercise, and veterinary guidance.

How can I tell if arthritis is in my dog's back legs or front legs?
Back-leg arthritis often shows as a bunny-hop gait or difficulty jumping and rising; front-leg arthritis more often shows as head-bobbing when walking or reluctance to bear weight on that side. Only a vet exam can confirm which joint is actually affected.

This article is for general information only and isn't a substitute for veterinary advice. If your dog shows signs of joint pain or reduced mobility, contact your vet for a proper diagnosis.