FR
ENWhat is feline arthritis?
Osteoarthritis is a common degenerative joint disease in cats, particularly from middle age onward. It results from progressive deterioration of articular cartilage, the cushioning layer between bones, leading to pain, inflammation, and reduced mobility. The hips, elbows, knees, and spine are most commonly affected.
Degenerative osteoarthritis
The most common form. Cartilage gradually thins with age, bones rub against each other more, causing inflammation, pain, and the formation of bone spurs (osteophytes). Most common in middle-aged to senior cats.
Post-traumatic arthritis
Results from a previous fracture, dislocation, or joint injury. A past joint trauma, even one that healed well, can accelerate cartilage breakdown years later.
Dysplasia and malformations
Congenital issues such as hip dysplasia or patellar luxation. Abnormal joint conformation causes accelerated and uneven cartilage wear.
Inflammatory arthritis
Caused by infection (bacterial, viral) or an immune reaction. Rarer than degenerative osteoarthritis, it can affect younger cats and requires treatment of the underlying cause.
When cartilage disappears almost completely, bones rub directly against each other, causing intense pain and significant loss of mobility. Obesity greatly accelerates progression; every extra kilogram increases pressure on the joints.
Signs and symptoms
Cats hide their pain and often maintain an apparently 'normal' activity level. Frank limping is rare since osteoarthritis frequently affects multiple joints simultaneously. Watch for subtle behavioral changes.
Early stage
- •Aversion to being touched (especially near joints)
- •Reluctance to jump or play
- •House-soiling accidents (urine, feces outside litter box)
- •Tendency to hide or make themselves small
- •Slowness getting up or sitting down
Intermediate stage
- •More irritable or unfriendly behavior
- •Avoiding stairs and elevated areas
- •Increased vocalizations, nighttime restlessness
- •Weight gain due to inactivity
- •Excessive licking of a painful area
Advanced stage
- •Decreased appetite and visible muscle loss
- •Difficulty resting or sleeping
- •Ingrown claws or matted coat (reduced grooming)
- •Constipation (reluctance to adopt certain postures)
- •Depressive signs (lethargic, less responsive)
When to seek immediate help?
Some signs require an urgent veterinary consultation. Contact your veterinarian immediately if you observe:
- Crying or vocalizing in intense pain, obvious distress
- Sudden collapse or complete inability to move
- Dragging one or more limbs
- Uncontrollable vomiting or diarrhea (may indicate medication toxicity)
- Respiratory distress or excessive panting
How is the diagnosis made?
Diagnosing feline osteoarthritis can be challenging: cats hide their pain and frank limping is rare when multiple joints are affected. A thorough evaluation is essential to guide treatment.
Clinical exam and X-rays
X-rays allow visualization of osteophytes, chronic joint changes, past trauma, and anatomical problems (hip dysplasia, etc.). A complete orthopedic examination assesses mobility and areas of pain.
Response to treatment
One of the most revealing diagnostic indicators can be a notable improvement in comfort and mobility once treatment is started; owners are often surprised to realize how much pain their cat was silently enduring.
Additional investigations
In some cases: examination under sedation, arthroscopy, advanced imaging (CT scan, MRI), or referral to a veterinary orthopedist. Ruling out other causes (cancers, referred pain) that can mimic osteoarthritis is also important.
Treatment and management: multimodal approach
Treatment goals are to relieve pain, slow lesion progression, and maintain mobility. A multimodal approach, combining medications, physiotherapy, and environmental adaptation, yields the best results.
- NSAIDs: non-steroidal anti-inflammatory drugs: effective, but must be used cautiously in cats (renal and hepatic toxicity risks). Close veterinary monitoring and appropriate dosing are essential.
- Opioid analgesics: may be added for better pain control in moderate to severe cases.
- Chondroprotective supplements: glucosamine, chondroitin, omega-3 fatty acids: support cartilage health and reduce inflammation.
- Corrective surgery: in some cases (dysplasia, patellar luxation), surgery can significantly reduce pain and slow progression.
- Physiotherapy: gentle exercises, passive mobilization, hydrotherapy to maintain muscle mass and mobility.
- Complementary therapies: therapeutic (cold) laser, acupuncture, massage therapy, therapeutic ultrasound, stem cell therapy (emerging).
- Weight management: optimal weight reduces joint pressure. Diets formulated for joint health may be recommended.
- Home adaptation: ramps, steps, non-slip surfaces, easily accessible soft beds, low-sided litter boxes.
- Adapted stimulation: floor-level games and mental activities that don't require jumping or running, to maintain engagement without overloading joints.
What to expect long-term?
Osteoarthritis is a progressive, incurable disease, but it is very manageable. The prognosis depends largely on early diagnosis, severity of the lesions, and the owner's involvement in management.
It is essential to discuss the most appropriate treatment plan with your veterinarian, taking into account your cat's health status, age, and your ability to follow the recommended approach.
Day-to-day management tips
To implement
- Install ramps or steps to access usual furniture and resting spots without jumping
- Place food and water bowls at an elevated or easily accessible height
- Provide multiple low-sided litter boxes in strategic locations
- Offer warm, soft beds placed on the floor (not at height)
- Place non-slip surfaces on slippery flooring areas
- Manage weight through an adapted diet (on veterinary recommendation)
- Trim claws regularly (reduced self-grooming)
- Brush or have the cat groomed to compensate for reduced flexibility
- Encourage gentle, regular activity (floor-level play) to limit muscle loss
- Keep a 'quality of life calendar' to track symptom evolution and treatment effectiveness
Never do
- Force the cat to jump or adopt painful postures
- Give human pain medications (ibuprofen, aspirin, acetaminophen): toxic to cats
- Abruptly stop prescribed medications without veterinary guidance
- Dismiss signs of pain assuming the cat is 'just old' or 'pretending'
Always
- Maintain regular vaccinations and health checkups
- Inform caregivers and family members about the cat's condition and needs
- Strictly follow prescribed medication doses and schedules
Frequently asked questions
How do I know if my cat has osteoarthritis if they're not limping?
Are anti-inflammatory drugs safe for cats?
Can osteoarthritis be cured?
My cat is gaining weight due to inactivity: what should I do?
What home adaptations matter most?
This guide is provided for informational and educational purposes only. It does not constitute veterinary medical advice and is not a substitute for a consultation with a qualified veterinarian. Every animal is unique and their health must be evaluated individually. If you have concerns about your pet's health, contact our clinic or consult a veterinarian promptly.
Is your cat showing signs of arthritis?
Our veterinary team can assess your cat's mobility and develop a multimodal treatment plan tailored to their stage of disease and lifestyle.