Haglund’s Deformity (Pump Bump): Causes & Treatment

You slip on a favorite pair of dress shoes, and within an hour the back of your heel is sore, swollen, and a little red. Maybe you’ve noticed a firm bump back there that wasn’t obvious a few years ago. That bump has a name, and it’s more common than most people realize.

Haglund’s deformity is a bony enlargement on the back of the heel bone, right where the Achilles tendon attaches. It often rubs against shoes, which is how it earned the nickname “pump bump.” In this guide, we explain what causes it, how we diagnose it, and which treatment options help most people feel better without ever needing surgery.

What Is Haglund’s Deformity?

Haglund’s deformity is an enlargement of the heel bone (the calcaneus) at the back and upper part of the heel. The growth sits where the Achilles tendon inserts, and it’s firm enough to see and feel through the skin. It was first described by a physician named Patrick Haglund in 1927, and it’s still sometimes called retrocalcaneal exostosis.

The bump itself usually isn’t the main problem. The trouble starts when the bone rubs against the soft tissue around it, which includes the Achilles tendon and a small fluid-filled cushion called a bursa. Once that tissue gets irritated, the heel starts to hurt.

Why It’s Called a Pump Bump

Pumps and other shoes with a stiff, rigid back press hard against the rear of the heel. If a bony prominence is already there, that pressure turns an invisible bump into an angry, painful one. Women’s pumps are the classic example, which is where the name comes from.

But the nickname is a little misleading. According to the American College of Foot and Ankle Surgeons, any shoe with a rigid back can cause the same irritation, including ice skates and men’s dress shoes. So if you’ve never worn a heel in your life and still have this bump, you’re not imagining things.

Haglund’s Deformity vs. Haglund’s Syndrome

You’ll see two terms used, and they aren’t quite the same. Haglund’s deformity describes the bony bump on its own. Haglund’s syndrome describes what happens when that bump irritates the tissue nearby and causes symptoms.

In a Cureus review of the condition, researchers describe the syndrome as a combination of retrocalcaneal bursitis, inflammation of the Achilles tendon, and the bony enlargement itself. This matters because each piece calls for slightly different care. A podiatrist has to figure out which structures are inflamed before choosing a treatment plan.

Symptoms: What You’ll Actually Notice

The signs of Haglund’s deformity are easy to spot once you know what to look for. The most common are heel pain, a visible bump on the back of the heel, swelling, and redness or skin discoloration around the bump. Cleveland Clinic notes that it almost always shows up on both feet.

Many patients tell us the pain is worst when they first start walking after sitting for a while, or when they put on stiff shoes. Some limp for the first few steps. The pain often settles as the tissue warms up, then returns by the end of a long day on your feet.

What Causes Haglund’s Deformity?

Here’s the honest answer: nobody knows the exact cause. Researchers describe it as mostly idiopathic, which means it often appears without one clear trigger. But several factors seem to play a part.

Foot structure is one of them. A high-arched foot, a tight Achilles tendon, and a tendency to walk on the outside of the heel can all push the back of the heel bone into a position where a bump forms. Heredity plays a role too. If a close relative has the same bump, you’re more likely to develop it.

Shoes, Overuse, and Other Contributors

Footwear doesn’t create the bony growth on its own, but it can make an existing one much worse. Tight, narrow, or stiff-backed shoes are the main offenders. Over time, constant pressure keeps the bursa and tendon inflamed.

Repetitive stress matters as well. Runners and athletes who put steady load through the heel can aggravate the area, and the Hospital for Special Surgery points to people in rigid-footwear sports such as hockey and figure skating. Gait problems that change how you move and land can add to the strain.

Who Is Most Likely to Get It?

Haglund’s deformity can affect anyone, but some groups see it more often. Cleveland Clinic lists women, people who wear tight or narrow shoes, and people with a close family member who has had it. The Cureus review adds that middle age is the most common time for symptoms to appear.

It’s also worth knowing that many people with a mild bump never get diagnosed at all. They simply learn which shoes to avoid and carry on. The ones who come to see us are usually the ones whose heel has become painful, swollen, or hard to fit into shoes.

Age and sex are only part of the picture, though. Two people with the same heel shape can have very different symptoms, depending on their shoes, their work, and how much time they spend on their feet. That’s why we look at the whole person and not just the X-ray.

When Back-of-Heel Pain Is Something Else

Not every sore heel is Haglund’s deformity, and mix-ups are common. Pain at the bottom of the heel usually points to plantar fasciitis or a heel spur. Pain at the back could be insertional Achilles tendinopathy or isolated bursitis without any bony bump.

Cleveland Clinic makes a useful distinction here. A heel spur grows from the underside of the heel bone, while Haglund’s deformity always forms at the back, where the Achilles attaches. If you’re trying to sort out which kind of heel pain you have, our guide on heel spur vs plantar fasciitis walks through the differences. And if the soft tissue is the main issue, our overview of bursitis in the foot explains how that inflammation develops.

How We Diagnose a Pump Bump

Diagnosis starts with a conversation and a hands-on exam. We ask about your pain, your shoes, your activity level, and your family history. Then we look at the heel and press on the area to see exactly where it’s tender, since the location of the tenderness helps separate Haglund’s deformity from look-alike conditions.

X-rays are the next step. A side view of the ankle shows the bony prominence at the back of the heel and can reveal any related spur or calcification in the tendon. MRI or ultrasound may be added in unclear cases or when we need a closer look at the tendon and bursa, particularly if surgery is under discussion.

Haglund Deformity Treatment: Where Most People Start

Here’s the encouraging part. Most Haglund deformity treatment is conservative, meaning it doesn’t involve an operation. Both Cleveland Clinic and the Cureus review state that non-surgical care is usually effective and that surgery is only needed in resistant cases.

One thing to understand up front. Non-surgical care calms the inflammation, but it won’t shrink the bone itself. The American College of Foot and Ankle Surgeons is clear on that point. The goal is to settle the irritated tissue so the bump stops hurting, even though it remains. For many people, that’s enough. If you’d like to see how our team approaches this, our Haglund’s deformity treatment page outlines the care we offer.

Shoes, Heel Lifts, and Pads

Changing your footwear is the single most useful step. Backless shoes or shoes with a soft, flexible back keep pressure off the bump. Rigid heel counters, stiff leather backs, and narrow toe boxes tend to make things worse.

If you can’t avoid dress shoes for work, try to limit how long you wear them. Switch into softer shoes for the commute, and take them off as soon as you can. Small habits like that give the irritated tissue a break and can keep a flare-up from building.

Inside the shoe, a few small additions can help. Patients with high arches sometimes do well with a heel lift, which reduces pressure at the back of the heel. Heel pads add cushioning, and custom orthotics can control how the foot moves. If you’re unsure what kind of footwear is right for your activity, our comparison of running shoes and walking shoes is a good starting point.

Stretching, Ice, and Medication

A tight Achilles tendon pulls the heel bone against the back of the shoe, so stretching the calf and heel cord can take real pressure off. A physical therapist or podiatrist can show you the right way to do it. Gentle stretching should feel like tension, not sharp pain. If a stretch makes the back of your heel hurt more, stop and ask your provider to adjust the routine.

Consistency counts more than intensity here. A few minutes of stretching each day, done the way you were shown, tends to help more than one long session now and then. It also helps to stretch after your muscles are warm, not first thing out of bed.

Ice helps with swelling. The American College of Foot and Ankle Surgeons suggests using an ice pack over a thin towel for 20 minutes, then waiting at least 40 minutes before icing again. Over-the-counter anti-inflammatory medicine is another option, though you should check with your provider first, especially if you take other medications or have stomach, kidney, or heart concerns.

If your pain also involves the tendon, the exercises in our post on Achilles tendonitis stretches and exercises are worth a read before you start a routine of your own.

Injections, Casting, and Physical Therapy

When basic measures aren’t enough, there are a few more options. Physical therapy can use techniques such as ultrasound to calm inflammation. In some cases, short-term immobilization in a cast or boot gives an angry heel a chance to settle.

Corticosteroid injections are also used in stubborn cases. The Hospital for Special Surgery lists cortisone shots among the treatment options for pain and inflammation. Because the injection site sits close to the Achilles tendon, this is a decision to make carefully with your podiatrist, who can explain the benefits and the risks for your situation.

When Surgery Becomes an Option

Surgery is reserved for people whose symptoms stay severe after a real trial of conservative care. A 2022 systematic review in Cureus notes that surgery typically follows a period of non-surgical treatment lasting six months or more. Cleveland Clinic calls surgery rare for this condition.

The operation usually involves removing the retrocalcaneal bursa, shaving down the bony prominence, and sometimes cleaning up damaged areas of the Achilles tendon. Surgeons can work through an open incision or use an endoscope. That same review found that both approaches significantly improved patient scores and satisfaction, and that endoscopic surgery appeared to offer shorter operative times, fewer complications, and better cosmetic results. The authors also note that more studies are needed. If you want to learn how minimally invasive methods work in general, see our page on minimally invasive foot surgery.

Recovery After Haglund’s Deformity Surgery

Recovery takes patience. In the open-surgery protocol described in the Cureus review, patients wore a non-weight-bearing cast for about three weeks, then moved into a removable walking boot and began gentle ankle exercises. Cleveland Clinic says most people need several weeks to a few months to recover fully.

Shoes are the last hurdle. The review notes that it can take three to six months before a patient can wear a stylish shoe again, and there’s no guarantee a patient will ever do so comfortably. Possible complications include persistent heel pain, wound problems, nerve injury, stiffness, and recurrence if too little bone is removed. Your surgeon will go over these risks before you decide.

Can You Prevent It?

Because the cause isn’t fully understood, there may be no way to prevent the bump from forming at all. Cleveland Clinic says as much. But you can lower the odds of it becoming painful.

Wear comfortable, supportive shoes with a soft heel back. Keep your calf muscles and Achilles tendon flexible with regular stretching. Warm up before exercise, and don’t push through heel pain. The American College of Foot and Ankle Surgeons also suggests avoiding running on hard surfaces and uphill if you’re prone to flare-ups. If a heel problem keeps coming back, a rearfoot disorder evaluation can look at the bigger picture.

When to See a Podiatrist

Make an appointment if heel pain lasts more than a few weeks, if the swelling keeps coming back, or if the pain makes it hard to stand or walk the way you normally do. Cleveland Clinic gives the same guidance. Don’t wait for the bump to get bigger.

Go to an emergency room if you suddenly can’t move or put weight on your foot, or if you’ve had an injury and think the bone may be broken. For ongoing pain, our podiatrist, Dr. Peter Hanna, sees patients across Miami for heel and ankle conditions. You can also read more about foot pain causes and treatment on our site, or contact our team to schedule a visit.

This article is for general education only. It isn’t a diagnosis or a substitute for care from a licensed medical professional, and individual results vary.

Frequently Asked Questions About Haglund’s Deformity

Can Haglund’s deformity go away on its own?

The bony bump itself won’t go away without surgery. But the pain and swelling often settle with shoe changes, stretching, and other conservative care. Cleveland Clinic describes the condition as technically lifelong if the growth isn’t removed, yet manageable once you learn what triggers your symptoms.

Is a pump bump the same as a heel spur?

No. Both are bony growths on the heel, but they form in different places. A heel spur grows from the bottom of the heel bone. Haglund’s deformity forms at the back of the heel, where the Achilles tendon attaches. Treatment for the two is often similar.

Can high heels cause Haglund’s deformity?

Pumps and other stiff-backed shoes can irritate an existing bump and make it painful. The underlying cause is thought to involve foot structure and heredity. So shoes aren’t the whole story, but they’re a common trigger.

Does Haglund’s deformity always need surgery?

No. Surgery is rare. Most people improve with conservative treatment such as supportive shoes, heel lifts, stretching, and anti-inflammatory measures. Surgery is typically considered only when severe symptoms persist after an extended trial of non-surgical care.

What kind of shoes are best for Haglund’s deformity?

Backless shoes or shoes with a soft, flexible heel back usually cause the least irritation. Avoid stiff heel counters and tight, narrow fits. Your podiatrist may also suggest heel lifts, heel pads, or custom orthotics depending on your foot shape.

How long is recovery after Haglund’s deformity surgery?

Cleveland Clinic says full recovery typically takes several weeks to a few months. A Cureus review notes that returning to dressier shoes can take three to six months. Your recovery timeline depends on the technique used and your overall health, so ask your surgeon for specifics.

Is Haglund’s deformity the same as Achilles tendonitis?

They’re related but different. Haglund’s deformity is the bony bump, while Achilles tendonitis is inflammation of the tendon. The two often occur together because the bump can rub on the tendon. If you want to understand the rupture side of Achilles problems, read our guide on Achilles tendon rupture recovery time.

Sources

Cleveland Clinic. Haglund’s Deformity: Causes, Symptoms & Treatment

American College of Foot and Ankle Surgeons, Foot Health Facts. Haglund’s Deformity: Pump Bump on Heel

Vaishya R, Agarwal AK, Azizi AT, Vijay V. Haglund’s Syndrome: A Commonly Seen Mysterious Condition. Cureus. 2016.

Yuen WLP et al. Surgical Treatment of Haglund’s Deformity: A Systematic Review and Meta-Analysis. Cureus. 2022.

Hospital for Special Surgery. Haglund’s Deformity (Haglund’s Syndrome)