What are the signs of arthritis in dogs?

Dog arthritis symptoms include stiffness, subtle limp, reduced activity, difficulty climbing stairs, and behavioral changes related to pain. Canine arthritis is a common degenerative disease in dogs that affects their joints and overall mobility. Arthritis in dogs is a degenerative joint disease and a progressive degenerative disease that affects the dog’s joints over time, leading to joint inflammation, joint pain, and decreased mobility. Over time, the cartilage in the joints begins to break down, leading to bone-on-bone friction, which results in pain and reduced mobility. Early detection allows for better pain management, improved joint health, and a higher quality of life.

Non-invasive therapies like red light therapy for dogs can help reduce inflammation and support joint health as part of a complete treatment plan.

While certain dog breeds are more susceptible to osteoarthritis, any dog can develop the disease regardless of breed.

What is arthritis in dogs?

Arthritis in dogs, also known as canine arthritis, is one of the most studied conditions in veterinary medicine. It is a degenerative joint disease characterized by cartilage breakdown, synovial inflammation, and progressive changes in joint structure. Clinical guidelines consistently support early detection and a multimodal treatment plan to manage pain, reduce inflammation, and maintain joint function.

It can affect dogs of all ages, including younger dogs, but is more common in older dogs and senior dogs.

Over time, arthritic joints become:

• Inflamed
• Painful
• Less stable
• Less flexible

This leads to reduced mobility, muscle atrophy, and changes in your dog’s behavior.

Many dogs develop arthritis due to normal wear, but others have an underlying cause such as:

• Hip dysplasia
• Elbow dysplasia
• Injury or trauma
• Extra weight and additional stress on joints

The risk of hip dysplasia, which can cause arthritis, can be reduced by good breeding practices including the hip and elbow scoring of potential parents.

Breeds prone to arthritis include German Shepherds, Golden Retrievers, and other large breeds.

For a deeper breakdown of causes, progression, and joint changes, see our full guide to arthritis in dogs.

Early signs of arthritis in dogs

Recognizing early signs is one of the most important parts of managing arthritis in dogs.

Most dogs do not show obvious pain at first. Instead, symptoms are subtle.

Watch for:

• Stiff movements, especially after rest
• Slower walking or hesitation
• Subtle limp that comes and goes
• Difficulty climbing stairs or jumping
• Changes in resting position
• Reduced interest in physical activity
• Mild behavioral changes

These early signs are often mistaken for normal aging, but they indicate joint inflammation and early joint damage.

Early detection allows you to reduce inflammation, support joint health, and prevent progression.

Common signs of arthritis as it progresses

As dogs arthritis advances, symptoms become more noticeable.

Common signs of arthritis include:

• Persistent joint pain
• Difficulty climbing stairs or getting up
• Notice swelling in affected areas
• Muscle atrophy, especially in hind legs
• Reduced range of motion
• Limping or favoring one leg
• Increased stiffness after activity
• Reluctance to run or play

At this stage, managing arthritis requires a structured treatment plan that combines multiple treatment options.

At this stage, managing arthritis requires a structured treatment plan that combines multiple treatment options, including those outlined in our guide to arthritis treatment options.

Behavioral changes in dogs with arthritis

Pain often shows up through changes in your dog’s behavior.

Behavioral changes arthritis signs include:

• Irritability or sensitivity to touch
• Avoiding interaction
• Sleeping more
• Changes in posture or resting position
• Hesitation before movement

Your canine companion may not cry or vocalize, but these changes reflect real dog’s pain and reduced dog’s quality.

Where arthritis affects a dog’s joints

Arthritis can affect one or more joints, often in high-load areas:

• Hips (common with hip dysplasia)
• Elbows (common with elbow dysplasia)
• Knees
• Spine
• Back legs

These joints experience the most mechanical stress, especially in dogs carrying extra weight. Providing a soft, comfortable bed can help take pressure off your dog’s joints when they are resting, offering important support for managing arthritis symptoms.

Affected joints become inflamed, leading to pain, stiffness, and reduced mobility.

Breeds prone to arthritis

Certain dog breeds are genetically predisposed to developing arthritis, making it especially important for their owners to be proactive about joint health. Breeds such as German Shepherds, Labrador Retrievers, and Rottweilers are well-known for their higher risk of degenerative joint disease, including conditions like hip dysplasia and elbow dysplasia. These issues can lead to significant pain and discomfort in the dog’s joints, often appearing earlier or progressing more rapidly than in other breeds.

For breeds prone to arthritis, managing arthritis starts with prevention—maintaining a healthy weight, providing regular exercise tailored to their needs, and incorporating joint supplements to support joint health. Early intervention with these strategies can help delay the onset of severe arthritis and reduce the risk of significant pain. Owners of these breeds should also be vigilant for early signs of arthritis, such as subtle limping or difficulty rising, and seek veterinary advice promptly. By understanding your dog’s genetic risk and taking steps to support joint health, you can help improve their quality of life and keep them active for longer.

Why arthritis develops

Dogs develop arthritis for several reasons:

• Normal wear over time
• Joint instability
• Injury
• Genetic conditions
• Excess body weight

Extra weight creates additional stress on the dog’s joints, accelerating cartilage breakdown and joint inflammation.

Weight management and weight control are critical for both prevention and treatment.

Difficulty with climbing stairs

One of the most noticeable signs of arthritis in dogs is difficulty climbing stairs. As degenerative joint disease progresses, the pain and stiffness in your dog’s joints can make climbing stairs a real challenge, especially for older dogs or those with severe arthritis. You may notice your dog hesitating at the bottom of the stairs, moving slowly, or even refusing to climb altogether. This reluctance is often due to joint pain and reduced mobility.

To help your dog manage this difficulty, consider making lifestyle adjustments such as providing ramps or using orthopedic beds to minimize the need for climbing. Supportive bedding can also help cushion sore joints and improve your dog’s comfort. Regular exercise and physical therapy are important for maintaining muscle strength and joint flexibility, while weight control can reduce the strain on arthritic joints. By making these changes, you can help reduce your dog’s pain, support their mobility, and enhance their overall quality of life.

How arthritis impacts your dog’s quality of life

Arthritis affects more than just movement. It impacts your pet’s quality and overall quality of life. Managing arthritis in dogs is focused on maintaining your pet’s quality by controlling pain and supporting their well-being, helping them enjoy daily activities.

Without proper arthritis treatment, dogs may:

• Move less
• Lose muscle mass
• Gain weight
• Experience chronic pain
• Become less engaged

Over time, this creates a cycle where reduced movement worsens joint health and increases pain.

How to manage arthritis in dogs

Managing arthritis in dogs requires a multimodal approach that addresses both symptoms and underlying causes. Canine arthritis is a progressive condition, and early recognition of symptoms combined with a comprehensive management strategy can significantly improve your dog’s quality of life.

A complete treatment plan may include:

Lifestyle adjustments

• Weight management and weight loss if needed
• Regular exercise with low impact exercises
• Avoiding slippery surfaces
• Supportive bedding and orthopedic beds

Nutrition and joint support

• Balanced diet
• Joint supplements such as glucosamine
• Dietary supplements with fatty acids
• Certain supplements that support joint cartilage

Medical and therapeutic care

• Nonsteroidal anti inflammatory drugs (NSAIDs)
• Pain management medications
• Physical therapy and physical activity plans
• Veterinary advice and ongoing monitoring

Movement and strength

• Low impact exercises
• Maintaining muscle mass
• Keeping joints flexible

The goal is to reduce pain, reduce inflammation, and support joint health long-term.

For a full breakdown of treatment strategies, see our guide to arthritis treatments for dogs.

Arthritis prevention

While arthritis in dogs cannot always be completely prevented, there are several steps you can take to reduce your dog’s risk and support long-term joint health. Maintaining a healthy weight is one of the most effective ways to prevent degenerative joint disease, as excess weight puts additional stress on your dog’s joints. Incorporating regular, low-impact exercises—such as gentle walks or swimming—helps keep joints flexible and muscles strong.

A balanced diet that includes joint supplements, such as glucosamine, chondroitin, and fatty acids, can further support joint health and reduce inflammation. Providing a comfortable resting position, like an orthopedic bed, helps minimize pressure on your dog’s joints during sleep. It’s also important to watch for early signs of arthritis, such as stiff movements, subtle limps, or changes in your dog’s behavior, and seek veterinary advice if you notice any clinical signs. By focusing on weight management, regular exercise, and the right dietary supplements, you can help prevent arthritis or delay its onset, ultimately improving your dog’s quality of life and keeping their joints healthy for years to come.

How red light therapy helps arthritis in dogs

Photobiomodulation (PBM), also called red light therapy, low-level laser therapy, LED therapy, cold laser therapy, and near-infrared therapy, refers to the same therapeutic category using light energy to influence cellular biology.

These terms are often used interchangeably in veterinary medicine and human medicine. The mechanism, dosing principles, and clinical effects are shared across these modalities.

It is widely used in veterinary medicine for managing arthritis and joint pain.

Red light therapy helps:

• Reduce inflammation in affected joints
• Improve blood flow
• Support tissue repair
• Manage pain without medication
• Improve mobility and joint function

Unlike medications that primarily manage pain, PBM targets cellular processes involved in inflammation and healing.

For a deeper explanation of how this works at the cellular level, see the science of red light therapy.

Why at-home treatment matters

Consistency is one of the most important factors in arthritis treatment.

In-clinic care alone is often not frequent enough.

At-home care allows for:

• Daily treatment
• Better adherence
• Ongoing pain management
• Continuous support for joint health

This is where devices like the MedcoVet Luma come in.

For a complete overview of how to use this approach, see red light therapy for dogs.

The MedcoVet Luma for arthritis in dogs

The MedcoVet Luma is designed for safe, consistent at-home red light therapy.

It allows pet parents to:

• Treat affected joints regularly
• Deliver consistent dosing
• Support joint health over time
• Reduce reliance on multiple medications

Used as part of a full treatment plan, it helps manage pain, reduce inflammation, and improve your dog’s quality of life.

When to talk to your veterinarian

Seek veterinary advice if you notice:

• Rapid progression of symptoms
• Severe arthritis
• Persistent pain
• Swelling in joints
• Refusal to move

A physical examination can help confirm diagnosis, identify the underlying cause, and guide treatment options.

Clinical summary

Mechanism:
Arthritis in dogs involves degeneration of joint cartilage, synovial inflammation, and altered biomechanics within affected joints. These changes lead to pain, stiffness, and reduced mobility. Photobiomodulation acts at the mitochondrial level, increasing ATP production, improving local circulation, and modulating inflammatory pathways.

Evidence level:
Strong evidence supports weight management, nonsteroidal anti inflammatory drugs, and structured physical therapy. Moderate evidence supports joint supplements and photobiomodulation. Best outcomes are achieved through a multimodal approach.

When it works best:
Early to moderate arthritis, consistent treatment, and when combined with lifestyle adjustments and medical management.

When not to use:
Advanced structural joint damage without veterinary oversight, acute instability, or when symptoms are unrelated to joint disease

Clinical questions about dog arthritis symptoms

Final take

Arthritis in dogs is common, progressive, and often missed early.

Recognizing signs of arthritis early gives you the best chance to:

• Reduce pain
• Support joint health
• Maintain mobility
• Improve your dog’s quality of life

With the right combination of lifestyle adjustments, treatment options, and consistent care, most dogs can live comfortably for years.

Evidence Citations