Dog Limping: Causes, When to Worry, and What to Do

Quick Answer: Watch and Assess

A sudden limp after activity is usually a soft tissue strain -- watchful waiting for 24-48 hours is often appropriate. A limp with swelling, heat, crying, or that won't bear weight at all needs same-day vet attention.

Not sure how serious this is?Use the Symptom Checker →

Dogs limp for dozens of reasons, from a thorn in the paw to a torn ligament to bone cancer. The key is reading the signals: sudden vs gradual onset, which leg, how severe, and whether other symptoms are present. Here's how to think through it.

Most Common Causes

Soft tissue sprain or strain (common)

Most common cause. Often follows running, jumping, or rough play. The dog may limp immediately after or the next morning after rest tightens the injury.

Paw injury (thorn, cut, foreign object) (common)

Check the paw first. Part the toes, look at the pads, and check between the toes. A small object can cause significant limping.

Cruciate ligament tear (CCL/ACL) (common)

One of the most common orthopedic injuries in dogs, especially large breeds. Usually a sudden non-weight-bearing lameness in a rear leg.

Hip dysplasia (moderate)

Abnormal hip joint development causing pain and lameness, particularly in large breeds. May present as a bunny-hop gait or reluctance to rise.

Arthritis (osteoarthritis) (moderate)

Gradual-onset limping that's worse in the morning or after rest. More common in senior dogs.

Patellar luxation (moderate)

Kneecap that slips out of place. Common in small breeds. Dog may yelp, then skip a few steps, then return to normal walking.

Osteosarcoma (bone cancer) (rare)

Painful bone cancer, most common in large and giant breeds. Gradual, progressively worsening lameness. Night pain, swelling over the bone.

Lyme disease or tick-borne illness (rare)

Shifting leg lameness, fever, lethargy. Especially relevant if you live in tick country.

Wait, Act, or Emergency?

You Can Watch and Wait If:

Mild limp after exercise, no swelling, dog still bearing weight
No yelping or crying when you gently touch the leg
Limp appears after a day of heavy activity
Dog is eating, drinking, and acting normally otherwise

Call or Visit Your Vet If:

Limp persists more than 48 hours without improvement
Visible swelling, heat, or bruising on the limb
Dog is completely non-weight-bearing on one leg
You can feel a bump, lump, or deformity on the bone
Puppy is limping (growth plate injuries require prompt attention)

Go to Emergency Vet Immediately If:

Bone is visibly broken or leg is at wrong angle
Deep laceration or puncture wound with bleeding
Dog is in obvious severe pain, crying, or panting heavily
Limb is dragging -- possible spinal or nerve injury

Note for American Bulldog Owners

American Bulldogs are prone to hip dysplasia and elbow dysplasia. If your American Bulldog is limping, especially as a young adult, ask your vet about orthopedic screening. ABRA-registered dogs from health-tested lines have reduced rates of these issues.

American Bulldog Health Guide

If your dog is also pacing or unable to settle, see our guide on dog pacing

Still not sure what to do?

Our interactive checker walks you through symptoms, severity, and duration -- and gives you a clear go/wait/monitor answer.

Open Symptom Checker

Frequently Asked Questions

My dog is limping but not crying. Is it serious?

Not necessarily. Many dogs limp without vocalizing, especially on soft tissue injuries. Watch for weight-bearing ability, swelling, and whether the limp improves with rest. If it persists beyond 48 hours or gets worse, see a vet.

Should I give my dog pain medication for limping?

Never give human pain medications like ibuprofen, acetaminophen (Tylenol), or aspirin to dogs. These can cause life-threatening toxicity. Your vet can prescribe safe canine NSAIDs if needed.

My dog limps in the morning but seems fine later. What causes this?

Morning stiffness that improves with movement is a classic sign of arthritis. The joints are stiff after rest and loosen up as the dog moves. It can also occur with a healing soft tissue injury. A vet exam will confirm.

Can a dog limp from a vaccine reaction?

Yes. Lyme vaccine in particular can sometimes cause transient limping in the 24-72 hours after administration. It typically resolves on its own.

How do I know which leg my dog is favoring?

Watch your dog walk or trot. Dogs drop their head when the good front leg hits the ground (they lift the head to take weight off the sore front leg). For rear legs, the hip on the sore side rises higher than normal.

Is Your Dog an American Bulldog?

American Bulldogs have breed-specific health vulnerabilities. ABRA-registered dogs from health-tested lines have better documented health histories.

Search American Bulldog Pedigrees ABRA Registry