Arthritis in Dogs: Early Signs, Causes and What Helps

What is arthritis in dogs?

Arthritis in dogs is long-term inflammation and wear in one or more joints. The most common form is osteoarthritis, where the smooth cartilage that cushions the joint gradually wears down and the surrounding tissue changes, which can cause pain, stiffness and less movement. It is common in older dogs, though it can also affect younger ones, particularly after a joint injury or alongside certain joint conditions.

Arthritis does not go away, but many dogs live comfortably with it when it is recognised and managed. Management is led by your vet, and there is a lot you can do at home to make daily life easier.

A note on who we are: we are a small online shop that chooses products and writes guides, not vets. Nothing here is a diagnosis or treatment advice, and we cannot tell you whether your dog has arthritis. Think of this as a starting point for a conversation with your own vet.

What are the early signs of arthritis in dogs?

Early signs are often subtle and easy to put down to "just getting older". Dogs also hide discomfort well. Common things owners notice include:

• Stiffness after rest, especially first thing in the morning or after a nap, that eases once they get moving.
• Slowing down on walks, lagging behind, or wanting to turn back sooner.
• Reluctance to jump into the car, onto the sofa or bed, or to use stairs.
• Hesitating before lying down or getting up, or taking several attempts.
• Limping or favouring a leg, which may come and go.
• Licking or chewing at a particular joint.
• Less interest in play, or changes in mood such as irritability when touched.
• Slipping on hard floors or struggling for grip.
• Muscle loss over the hips or back legs.
• A bunny-hop run, or a stiff, shortened stride.

Any one of these can have other causes, so none confirms arthritis. But several together, especially if they are new or getting worse, are a good reason to book a check-up.

What does arthritis look like day to day?

It tends to vary. Some days a dog may seem almost normal, and other days stiff and slow. Cold, damp weather and a long walk the day before often make things worse for some dogs, while a gentle warm-up helps them loosen.

Changes at home can be the clearest clue. Your dog might stop meeting you at the door, choose the bottom stair to rest on, avoid slippery rooms, sleep more, or sleep on the floor rather than a bed they have to step into. They may be less keen on being brushed, picked up or touched near sore areas.

Keep a short note or phone video of anything that worries you. A few clips of your dog getting up, walking and climbing steps can help your vet far more than a verbal description, because dogs often behave differently at the surgery.

What causes arthritis, and are some dogs more at risk?

Several things can contribute, and often more than one is involved.

• Age. Joints wear over time, so arthritis becomes more common in older dogs.
• Previous injury or surgery. A torn cruciate ligament, a fracture or other damage to a joint can lead to arthritis later, even after good treatment.
• Developmental joint conditions, such as hip or elbow dysplasia, where joints do not form or fit together as they should.
• Breed and size. Some breeds, especially larger ones, are more prone to certain joint problems. This is a general tendency, not a rule for any individual dog.
• Excess weight. Extra weight puts more load on joints and is widely considered one of the factors vets try to address.
• Long-term wear from heavy work or repeated high-impact activity.

We cannot say which of these applies to your dog. Your vet can talk through your dog's history and likely causes.

How is arthritis diagnosed?

Only a vet can diagnose arthritis. They will usually start with a conversation about what you have noticed, then a physical examination, gently moving each joint to check for pain, swelling, creaking and reduced range of movement. They may watch your dog walk and trot.

Sometimes further tests are suggested, such as X-rays, which can show changes in the joints and help rule out other problems. Dogs often need sedation or anaesthetic for good-quality images. Your vet will explain what is needed and why.

Questions worth asking at the appointment:

• What do you think is causing the problem, and which joints are involved?
• What pain relief is suitable for my dog, and what should I watch for?
• What exercise is right at the moment, and how much?
• Does my dog need to lose weight, and what should the target be?
• Which home changes would you prioritise?
• When should we review how things are going?

Classic Orthopaedic Memory-Foam Bed
A 9cm memory-foam base to keep hips and elbows off the floor. View

What treatment might a vet suggest?

This is for your vet to decide, and options depend on the dog, the joints involved and any other health conditions. In general, vets may talk about pain relief, weight management, controlled exercise, and sometimes other approaches such as physiotherapy or hydrotherapy. Dogs who need medication will have it prescribed and monitored.

An important safety point: never give your dog human painkillers or anti-inflammatories. Some are dangerous to dogs. Always use only what your own vet prescribes, and follow their instructions.

We do not give dosing advice or recommend particular medicines. Our role is to help with the everyday practical side.

What can you do at home to help?

Alongside your vet's plan, these practical changes are widely suggested and often make daily life more comfortable.

• Keep your dog lean. Ask your vet to check body condition and agree a feeding plan. Even small reductions in extra weight can reduce the load on joints.
• Aim for gentle, regular exercise. Short, steady walks, little and often, tend to suit stiff joints better than one long outing. Avoid sudden bursts such as ball chasing unless your vet says they are fine.
• Improve grip. Rugs, runners or non-slip mats help on laminate, tile and hardwood. Our guide to why dogs slip on hard floors covers this in detail.
• Provide a supportive bed. A thick, firm bed reduces pressure on hips and elbows and is easier to rest on than a hard floor. See our guide to the best dog bed for arthritis.
• Reduce jumping. Steps or a ramp for the car, sofa or bed take the impact out of daily jumps. Our guide to signs your dog needs steps or a ramp helps you choose.
• Think about warmth. Many owners find their dog stiffer on cold mornings, and a warm place to sleep, out of draughts, is often welcome. Our guide to whether heat helps stiff joints looks at what we know and where caution is needed.
• Keep nails trimmed and the fur between paw pads tidy, which helps grip.
• Make the home easier. Raise food and water if bending is hard, keep favourite spots on one floor, and block off slippery stairs if needed.

What about joint supplements?

Many owners ask about supplements such as glucosamine, chondroitin and green-lipped mussel. The honest picture is that research is mixed: some studies on some products have suggested benefits, others have not, and results vary between dogs and between products. Supplements are not a substitute for veterinary care, and none should be expected to act quickly or to work for every dog.

If you want to try one, talk to your vet first, especially if your dog takes other medication, and follow the label. Our guide on glucosamine for dogs looks at the evidence in more detail.

What does not help, and when should you call the vet urgently?

Some common mistakes make things harder for dogs with sore joints.

• Giving human painkillers or leftover medicines.
• Assuming it is just old age and waiting too long to ask for help.
• Complete rest. Long periods of inactivity tend to leave joints stiffer, so ask your vet what level of activity is right.
• Sudden bursts of exercise after a quiet week, sometimes called the weekend warrior pattern.
• Letting your dog gain weight because they are moving less.
• Using slippery floors, high beds or steep stairs without help.

Contact your vet promptly if your dog suddenly cannot put weight on a leg, yelps or cries in pain, seems unable to get up, collapses, has a swollen or hot joint, stops eating, or has trouble passing urine or faeces. These are not signs to wait on.

Quick answers

How do I know if my dog has arthritis or is just getting old? You cannot tell from the outside. Stiffness, slowing down and reluctance to jump can be signs of pain, which is treatable or manageable, so it is worth asking your vet rather than assuming it is just age.

Can arthritis be cured? No, it is a long-term condition, but many dogs are kept comfortable with veterinary care and sensible changes at home. Your vet can discuss what is realistic for your dog.

Should an arthritic dog still go for walks? Usually yes, in moderation. Gentle, regular exercise is generally preferred to rest or occasional long outings, but your vet should guide the amount.

Do cold or wet days make it worse? Many owners say so, and some dogs do seem stiffer in cold weather, though the science on weather is not clear-cut. Keeping your dog warm and dry is sensible either way.

Does an orthopaedic bed help? It can make resting more comfortable by spreading pressure, but it does not treat the condition. It works best alongside your vet's plan.