DOGS AND CATS · OWNER EDUCATION
Osteoarthritis
A chronic joint condition that can affect comfort, movement, activity and quality of life long before an animal obviously cries or stops eating.

THE SHORT VERSION
Understanding supports better veterinary conversations.
Osteoarthritis involves progressive changes affecting the joint, cartilage and surrounding tissues. Signs can be subtle in both dogs and cats, and a comfortable care plan usually combines multiple approaches.
What is this condition?
Osteoarthritis involves progressive changes affecting the joint, cartilage and surrounding tissues. Signs can be subtle in both dogs and cats, and a comfortable care plan usually combines multiple approaches.
Which animals can be affected?
Risk factors, examination findings and management can differ between species and individual patients.
Why can it happen?
- Age, previous injury, abnormal joint development and chronic joint instability.
- Excess body weight and muscle loss can increase strain and reduce mobility.
- Individual anatomy, activity history and other medical problems affect risk.
What might an owner notice?
- Stiffness after rest, limping or slower walks.
- Difficulty jumping, using stairs, rising or entering a litter box.
- Reduced grooming, changed sleep, irritability or hesitation during handling.
How is the problem investigated?
- Veterinary movement assessment, joint examination and review of home videos.
- Radiographs when structural information could influence management.
- Additional laboratory work or other testing when medication safety or another cause is relevant.
What might treatment involve?
- Veterinarian-directed pain management tailored to species and medical history.
- Weight optimization, appropriate exercise, rehabilitation and home-environment changes.
- Additional therapies or referral depending on severity, location and response.
This is an overview, not a prescription or a recommendation for a specific individual animal.
What can owners do at home?
- Use nonslip flooring, comfortable bedding, ramps and easily accessible litter or food areas.
- Track mobility and good days with a symptom or quality-of-life worksheet.
- Follow the exact prescribed medication and reassessment plan.
Avoid actions that could make care less safe.
- Do not give human medications, leftover prescriptions or supplements without veterinary approval.
- Do not stop, increase, decrease or double prescribed medication without contacting your veterinary team.
- Do not delay assessment if symptoms are worsening, the animal stops eating or an emergency sign appears.
What can the longer-term outlook involve?
Osteoarthritis is generally managed rather than cured. Many animals maintain meaningful comfort when pain control, weight, movement and the home environment are addressed together.
Can risk be reduced?
- Maintain a veterinarian-approved healthy body condition and appropriate activity.
- Address injuries, joint instability and pain early.
When should you arrange care?
- Call for persistent stiffness, reduced jumping, recurrent limping or changed behavior.
- Discuss new medication side effects or declining comfort promptly.
Seek emergency veterinary care if you notice:
SEEK EMERGENCY VETERINARY CARE- Sudden inability to stand, severe trauma, marked swelling, rapidly worsening pain or a cold nonfunctional limb.
Sources behind this guide
American Animal Hospital Association veterinary guidelinesPrimary veterinary or veterinary-university guidance ↗Cornell University College of Veterinary Medicine: feline health topicsPrimary veterinary or veterinary-university guidance ↗Content last reviewed: August 23, 2026. Review status: veterinary-informed; independent veterinarian review not yet completed.