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What Is Haglund's Deformity?
April 25, 2026 at 4:00 AM
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If you've noticed a painful, bony bump on the back of your heel, you might be dealing with a condition called Haglund's deformity. It's one of the more common causes of heel pain, particularly in active adults, and it's often mistaken for other foot conditions, such as Achilles tendinitis or bursitis. Understanding what it is, what causes it, and when to seek treatment can make a significant difference in how quickly you recover and how well you protect your long-term foot health.

What Haglund's Deformity Actually Is

Haglund's deformity is a bony enlargement that forms on the back of the heel bone, known as the calcaneus. Over time, this prominence can irritate the soft tissue near the Achilles tendon, leading to inflammation of the bursa, the fluid-filled sac between the tendon and the bone. The result is a painful, swollen area at the back of the heel that tends to worsen with activity and certain types of footwear.

The condition is sometimes called "pump bump" because of its association with rigid, back-strapping shoes like pumps. However, it can affect anyone, regardless of the shoes they wear. Runners, athletes, and people with specific foot structures are particularly prone to developing it over time.

What Causes Haglund’s Deformity

Haglund's deformity develops from a combination of structural and mechanical factors. Some people are simply born with a foot shape that makes them more susceptible, including a high foot arch, a tight Achilles tendon, or a tendency to walk on the outside of the heel. These characteristics place repeated stress on the back of the heel, which can gradually lead to the development of a bony prominence.

External factors also play a role. Wearing shoes with a rigid heel counter, running on hard surfaces, and returning to high-impact activity too quickly after rest can all accelerate the process. It's often a combination of anatomy and lifestyle that brings the condition to the surface.

Symptoms to Watch For With Haglund’s Deformity

Haglund's deformity doesn't always announce itself dramatically. For many people, it starts as mild discomfort that gradually worsens over weeks or months. Knowing what to look for early can help you avoid a longer, more complicated recovery.

Common symptoms include:

  • A visible bony bump on the back of one or both heels
  • Pain and tenderness at the back of the heel, especially when wearing shoes
  • Redness or swelling near the Achilles tendon
  • Stiffness or discomfort after periods of rest, particularly first thing in the morning
  • Increased pain during or after physical activity

If you're experiencing several of these symptoms together, it's worth getting a professional evaluation rather than waiting to see if they resolve on their own.

How Haglund’s Deformity Is Diagnosed

Diagnosing Haglund's deformity typically involves a physical examination and imaging. A foot and ankle specialist will assess the shape of your heel, the condition of the surrounding soft tissue, and your range of motion. X-rays are commonly used to evaluate bone structure and confirm the diagnosis, while an MRI may be ordered when soft-tissue damage or Achilles tendon involvement requires closer assessment.

Getting an accurate diagnosis matters because Haglund's deformity shares symptoms with other heel conditions. Treating the wrong problem means delaying the right solution, which is why a specialist's evaluation is so important before starting any treatment plan.

Treatment Options for Haglund’s Deformity

Treatment for Haglund's deformity ranges from conservative approaches to surgical intervention, depending on the severity of the condition and how long it's been present. Most cases are managed successfully without surgery, especially when caught early.

Non-surgical options typically include physical therapy to stretch and strengthen the Achilles tendon, custom orthotics to reduce pressure on the heel, activity modification, anti-inflammatory medications, and changes in footwear. When conservative treatment doesn't provide adequate relief after a sustained period, surgical removal of the bony prominence may be recommended. Recovery from surgery varies, but most patients return to full activity within a few months with proper rehabilitation.

Schedule an Appointment with Selene Parekh, MD, MBA

At Selene Parekh MD, our team specializes in foot and ankle conditions, including Haglund's deformity, and we're committed to helping patients find lasting relief through an accurate diagnosis and a personalized treatment plan. We take the time to understand your symptoms, activity level, and goals before recommending a course of action. If you're dealing with heel pain that isn't improving, don't wait for it to get worse. Schedule an appointment directly at your convenience. We're here to help you get back on your feet.

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