While most of my patients are dogs, I also enjoy helping cats with mobility issues. Unfortunately, cats are often overlooked when it comes to arthritis and back problems. Many people assume a cat that is “just sitting around” is being lazy or simply prefers to rest, but that cat may be quietly living with pain.
Just like dogs and people, cats can develop osteoarthritis (OA) and degenerative lumbosacral (LS) disease. These conditions affect joints, the spine, and the nerves, leading to stiffness, weakness, and pain. Because cats tend to hide their discomfort, it can be harder to spot, but that doesn’t mean the problem isn’t there.
How We Diagnose Mobility Problems in Cats
Diagnosing arthritis and spinal disease in cats requires a careful approach. Much like with dogs, I rely on:
- Physical exam: checking for pain, stiffness, or reduced range of motion.
- Asymmetry: noticing differences in muscle size or joint shape.
- Imaging: radiographs (X-rays), CT scans, and, in some cases, MRI to better understand what’s happening inside.
These tools allow us to identify the source of pain and tailor treatment to each cat’s needs.
Treatment Options for Cats
Treating mobility issues in cats can sometimes be more challenging than in dogs, but there are still many ways we can help:
Injectable & Interventional Therapies
- Joint injections for osteoarthritis (OA): Delivering long-lasting relief directly into the affected joint.
- Epidural steroid infiltrations for LS disease: Targeting inflammation around the spine to reduce pain and improve mobility.
- Electrophysical rehabilitation modalities:
- Laser therapy – reduces inflammation and supports tissue healing.
- Shockwave therapy – stimulates blood flow and tissue repair.
- PEMF (pulsed electromagnetic field therapy) – supports pain control and healing at home with tools like the Assisi Loop.
Oral Medications: Limited Options in Cats
Cats are particularly sensitive to medications, which limits our choices compared to dogs.
- Acetaminophen (Tylenol): Toxic to cats and must never be used.
- NSAIDs: Use with caution. Most NSAIDs are not safe for long-term use in cats. Onsior (robenacoxib) is FDA-approved for up to 3 days of use in cats, often post-surgically.
- Adequan (polysulfated glycosaminoglycan): Though labeled for dogs and horses, this injectable therapy is sometimes used off-label in cats to support joint health and cartilage protection.
Solensia
A newer therapy, Solensia (frunevetmab), is an injectable monoclonal antibody targeting nerve growth factor (NGF) to reduce arthritis pain in cats. It represents a major advancement in feline pain management. I’ll be writing a separate blog post dedicated to Solensia soon, since it deserves its own deep dive.
Why It Matters
Cats may not show their pain the way dogs do, but they still suffer. Subtle signs, like no longer jumping up on counters, withdrawing from play, or spending more time hiding, can indicate discomfort. These cats deserve treatment, comfort, and mobility just as much as dogs.
As a veterinarian, one of my greatest rewards is helping cats move more comfortably and enjoy a better quality of life. With the right care, many of these “quiet sitters” can regain mobility, confidence, and joy.
If you’ve noticed changes in your cat’s behavior or mobility, don’t assume it’s just aging. It could be arthritis or spinal disease, and there are treatments available to help.
drbrunke 
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