7 Early Signs of Arthritis in Dogs Most Owners Miss

By veterinarian Dr. Feargus McConnell

Arthritis is one of the most common health conditions affecting senior dogs in the United States. Yet many owners don’t recognize the early warning signs until mobility has already declined significantly.

The earlier joint issues are identified, the more effectively they can be managed.

As a veterinarian, I often see dogs whose stiffness was initially dismissed as “just slowing down.” In reality, subtle changes in movement are often the first indicators of arthritis.

Here are seven early signs of arthritis in dogs that many owners overlook.

1. Slower Walks

If your dog begins lagging behind on walks or tires more quickly than usual, it may not simply be aging.

Joint inflammation can make movement uncomfortable, causing dogs to reduce their pace naturally.

Pay attention if your dog:

• Stops more frequently during walks
• Wants to turn back earlier than usual
• Seems less enthusiastic about longer outings

2. Hesitation Before Climbing Stairs

One of the earliest signs of arthritis in dogs is hesitation on stairs.

Stairs place additional stress on hip and knee joints. Dogs with early joint discomfort may pause before climbing or descending.

You may notice:

• Slower stair climbing
• Moving one step at a time
• Avoiding stairs altogether

3. Difficulty Getting Up

Stiffness after rest is a classic early arthritis sign.

If your dog appears stiff when standing up from lying down — especially after sleeping — joint inflammation may be involved.

Look for:

• Struggling to rise
• Taking a few steps before loosening up
• Visible stiffness in the hind legs

4. Reluctance to Jump

Dogs that once jumped into the car or onto furniture may suddenly stop doing so.

Jumping requires strong hip and knee stability. When joints become uncomfortable, dogs instinctively avoid high-impact movements.

Owners often assume this is a behavior change, but it is frequently joint-related.

5. Subtle Changes in Mood

Pain is not always obvious.

Dogs experiencing chronic joint discomfort may become:

• Less playful
• More withdrawn
• Irritable when touched near hips or shoulders

Behavioral shifts can be an early indicator of physical discomfort.

6. Licking or Chewing at Joints

Some dogs lick their elbows, knees, or hips when joints feel irritated.

While licking can have many causes, repeated attention to the same joint area may signal inflammation beneath the surface.

7. Muscle Loss in the Hind Legs

Reduced activity due to joint discomfort often leads to gradual muscle loss, especially in the back legs.

You may notice:

• Thinner thighs
• Less muscle definition
• Decreased overall strength

Muscle loss can further worsen joint stability over time.

Why Early Detection Matters

Arthritis is a progressive condition. While it cannot be reversed, early management can significantly slow mobility decline.

Supporting joint health early allows many dogs to:

• Maintain more comfortable movement
• Stay active longer
• Preserve muscle mass
• Improve overall quality of life

The key is proactive support rather than waiting for severe symptoms.

How Is Arthritis Diagnosed?

If you suspect arthritis, a veterinary evaluation is important.

Diagnosis typically includes:

• A physical examination
• Joint range-of-motion assessment
• X-rays in more advanced cases

Never assume stiffness is simply “old age.”

Can Joint Supplements Help?

Many owners ask whether joint supplements are effective for arthritis.

The answer depends on formulation quality and consistency.

Well-formulated joint supplements may help support:

• Cartilage structure
• Healthy inflammatory balance
• Joint lubrication
• Long-term mobility

The earlier supplementation begins, the more supportive it can be for aging joints.

For a deeper guide, you can read our article on choosing the best joint supplements for senior dogs.

Additional Ways to Support a Dog with Arthritis

In addition to supplements, consider:

• Maintaining a healthy body weight
• Providing orthopedic bedding
• Encouraging regular low-impact exercise
• Using non-slip flooring inside the home

Joint care works best as part of a long-term mobility plan.

A Veterinarian’s Perspective on Senior Dog Mobility

One of the most difficult things for owners to witness is a beloved dog losing mobility.

But with proper support and early intervention, many senior dogs can remain comfortable and active well into their later years.

Pay attention to small changes. They are often the earliest signals your dog needs additional support.

Final Thoughts

The early signs of arthritis in dogs are often subtle:

• Slower movement
• Hesitation on stairs
• Stiffness after rest
• Reluctance to jump
• Behavioral changes

Recognizing these signs early gives you more options to support your dog’s joint health safely and effectively.

If you’d like more veterinarian-guided resources on senior dog mobility and joint support, explore our joint health education section or join our early access list for updates on our upcoming premium joint chew.