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Osteoarthritis is one of the most common causes of chronic pain in dogs, especially older and large-breed dogs. It develops slowly, and dogs hide pain well, so many cases go unnoticed until a dog is clearly struggling. The good news: with an early diagnosis and a few changes at home, most arthritic dogs can stay comfortable and active for years. This guide is general information and does not replace a veterinary exam.
What arthritis is
In a healthy joint, smooth cartilage and lubricating fluid let bones glide against each other. In osteoarthritis, the cartilage gradually wears down, the joint becomes inflamed, and bony changes form around it. The result is stiffness, pain and reduced movement. It is progressive, but the pace and the pain can be managed.
Common causes and risk factors
- Age and normal wear over time
- Developmental joint problems such as hip or elbow dysplasia
- Previous injuries, such as a torn cruciate ligament
- Excess body weight
- Large and giant breed size
Signs of arthritis in dogs
Arthritis signs are often subtle at first. Watch for:
- Stiffness after rest, especially in the morning or after a nap, that improves as your dog warms up
- Reluctance to jump into the car, onto the couch or to take the stairs
- Slowing down on walks, lagging behind or wanting to turn home sooner
- Limping or favoring a leg, which may come and go
- Difficulty getting up or lying down, or slipping on hard floors
- Licking a particular joint
- Behavior changes: irritability when touched, restlessness at night, less interest in play
- Muscle loss in the back legs
Stages of arthritis
| Stage | What you may notice |
|---|---|
| Early | Occasional stiffness after rest; more tired after exercise; subtle changes in how your dog sits or lies down |
| Mild to moderate | Regular stiffness, hesitation on stairs or jumps, intermittent limping, shorter walks |
| Moderate to severe | Daily pain, obvious limping, trouble standing up, muscle loss, reduced quality of life without treatment |
A simplified overview. Your vet will assess your dog with an exam and often X-rays.
How vets diagnose it
Your vet will watch your dog walk, feel the joints for pain, swelling and reduced range of motion, and may take X-rays. Tell them what you see at home; a short video of your dog getting up or climbing stairs is very helpful.
Treatment: what your vet may recommend
Arthritis care is usually a combination of approaches, often called multimodal management:
- Pain relief prescribed by your vet (never give human pain medicine; many are toxic to dogs)
- Weight management, one of the most effective treatments
- Controlled exercise and physical therapy
- Joint-support diets or supplements, especially omega-3 fatty acids
- Other options your vet may discuss, such as injections or laser therapy
How to help at home
- Keep walks short and regular rather than long and occasional.
- Add rugs or runners to slippery floors.
- Use a ramp instead of letting your dog jump onto beds, couches or into the car.
- Give them a firm, supportive orthopedic bed in a warm spot.
- Use a lift harness on bad days.
- Ask your vet about supplements for arthritis; omega-3s have the strongest evidence.
Our checklist on how to make a senior dog comfortable covers every room of the house.
FAQ
Can arthritis in dogs be cured?
No, but it can be managed very well. Many dogs live comfortably for years with the right plan.
At what age do dogs get arthritis?
It is most common in older dogs, but it can start much earlier in large breeds or in dogs with dysplasia or past injuries.
Is walking good for a dog with arthritis?
Yes, gentle, regular walks help keep joints moving and muscles strong. Avoid sudden, high-impact activities like chasing balls.
Last reviewed: November 2026. Prices and specifications change; check the retailer before you buy.