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Limping in young dogs is something no pet owner wants to see—especially in an active, growing pup. One of the common causes of forelimb lameness in large- and giant-breed dogs is a condition called Shoulder OCD, short for osteochondritis dissecans.

At Cottage Vet Clinic, we frequently assess lameness in young dogs and help owners understand what’s going on beneath the surface. If your dog is limping or struggling with shoulder movement, shoulder OCD could be the reason.

What Is Shoulder OCD?

Shoulder OCD is a developmental orthopaedic disease that affects the cartilage in the shoulder joint. During growth, the cartilage normally turns into bone in a process called ossification. In OCD, this process is disturbed, leading to a thickened area of cartilage that doesn’t form bone properly.

As a result, a flap of cartilage may separate from the underlying bone, causing inflammation, pain, and joint dysfunction.

Breeds at Risk

Shoulder OCD is most common in:

  • Labradors
  • Golden Retrievers
  • Rottweilers
  • Great Danes
  • Border Collies
  • Mastiffs

It typically affects dogs between 4 and 10 months old and is more common in males. Both shoulders may be affected, but often only one side shows symptoms.

Signs of Shoulder OCD

Watch for these signs, especially in active young dogs:

  • Intermittent or persistent lameness in a front leg
  • Stiffness after rest that improves with movement
  • Reluctance to exercise or play
  • Pain when extending the shoulder
  • Muscle loss in the affected limb over time

The symptoms may come and go at first, but without treatment, the condition can worsen and lead to long-term arthritis.

How Is Shoulder OCD Diagnosed?

Diagnosis begins with a clinical orthopaedic exam. At Cottage Vet Clinic, we assess the joint for pain and range of motion. To confirm the diagnosis, we recommend:

  • X-rays of the shoulder joints
  • In some cases, advanced imaging like CT scans or arthroscopy may be required if the diagnosis is unclear

Early diagnosis gives the best chance for full recovery.

Treatment Options

The choice of treatment depends on the severity of the lesion and the dog’s age and activity level.

Conservative Treatment (for mild or early cases):

  • Strict rest and activity restriction
  • Anti-inflammatory medication
  • Joint supplements (glucosamine, omega-3s)

Surgical Treatment (most common approach):

  • Arthroscopy or open surgery to remove the loose cartilage flap and smooth the joint
  • Most dogs recover well with proper rehabilitation

Post-operative physiotherapy and a gradual return to activity are key to restoring full function.

Long-Term Outlook

With timely diagnosis and appropriate treatment, most dogs with Shoulder OCD go on to lead active, pain-free lives. Delayed treatment may lead to arthritis and reduced joint function later in life.

Large-breed puppies should be fed a controlled-growth puppy diet, avoid over-exercise on hard surfaces, and maintain a healthy weight to help reduce the risk of orthopaedic problems like OCD.

How Cottage Vet Clinic Can Help

We provide:

  • Thorough orthopaedic assessments
  • Digital radiography for diagnosis
  • Joint supplements and nutrition advice
  • Surgical referrals and post-op rehabilitation guidance

If your puppy is showing signs of lameness or stiffness, don’t wait. Early investigation can make all the difference when it comes to Shoulder OCD.