Retrocalcaneal Bursitis: Symptoms, Causes, and Treatment

If the back of your heel feels like it’s holding a grudge every time you walk, run, climb stairs, or dare to wear shoes with a stiff heel counter, you may be dealing with retrocalcaneal bursitis. That sounds dramatic, and to be fair, it kind of is. This condition happens when a small fluid-filled sac near the Achilles tendon gets irritated and inflamed. The sac is tiny. Its ability to ruin your day is not.

Retrocalcaneal bursitis is a common cause of posterior heel pain, especially in runners, active adults, and people whose footwear keeps rubbing the same irritated spot over and over again. It can also show up alongside Achilles tendinopathy or a bony bump called Haglund deformity. The good news: most cases improve with conservative care, smart activity changes, and a little patience. The less-good news: your heel may insist on starring in every step until you deal with it properly.

Here’s what retrocalcaneal bursitis feels like, what causes it, how it’s diagnosed, and the treatments that can help you get back on your feet without feeling like your heel is auditioning for a disaster movie.

What Is Retrocalcaneal Bursitis?

Retrocalcaneal bursitis is inflammation of the retrocalcaneal bursa, a small cushioning sac located between the back of your heel bone (calcaneus) and the Achilles tendon. Normally, this bursa helps the tendon glide smoothly as you walk, run, jump, and go about your life pretending your feet are not carrying your entire existence.

When the bursa becomes irritated, it can swell, thicken, and become painful. Because it sits so close to the Achilles tendon, the symptoms often overlap with Achilles tendon problems. That is one reason this condition is sometimes confused with Achilles bursitis, insertional Achilles tendinitis, or general heel pain. In reality, retrocalcaneal bursitis is one specific type of heel bursitis, and the exact location of the inflammation matters when it comes to treatment.

Symptoms of Retrocalcaneal Bursitis

The symptoms of retrocalcaneal bursitis usually build over time, although they can also flare after a sudden increase in activity or direct irritation from shoes. Common signs include:

• Pain at the back of the heel, especially where the Achilles tendon attaches near the heel bone
• Tenderness when the area is pressed or when shoes rub against it
• Swelling, warmth, or redness around the back of the heel
• Pain that gets worse when standing on tiptoes, pushing off, climbing hills, or running
• Stiffness after rest, especially first thing in the morning or after sitting for a while
• Limping or avoiding a normal heel-to-toe walking pattern

What the pain usually feels like

People often describe the discomfort as a deep ache, sharp pinch, or hot, irritated pressure at the back of the heel. Some notice it most when they start moving, while others feel it most in shoes that press on the area. If you feel like your sneakers have suddenly turned into tiny medieval torture devices, that is a clue worth paying attention to.

Retrocalcaneal bursitis vs. Achilles tendinitis

This is where things get annoyingly similar. Achilles tendinitis affects the tendon itself, while retrocalcaneal bursitis affects the cushion between the tendon and the bone. The two can happen together, and both can cause pain in the same neighborhood. In general, bursitis tends to feel more irritated by direct pressure and shoe contact, while tendon pain may extend farther up the tendon or feel more tied to loading and repeated push-off. A clinician can usually sort out the difference with an exam.

What Causes Retrocalcaneal Bursitis?

The most common cause is repetitive stress. The bursa gets irritated when the Achilles tendon and heel bone keep rubbing with more force than the area can handle. That can happen for several reasons:

• Suddenly increasing running, walking, jumping, or stair climbing
• Training on hills or adding speed work too quickly
• Tight calf muscles that increase tension through the Achilles
• Stiff, poorly fitting, or heavily structured shoes that rub the back of the heel
• A prominent heel bone, often called Haglund deformity or “pump bump”
• Biomechanical issues, such as limited ankle mobility or altered foot mechanics
• Inflammatory conditions like rheumatoid arthritis or gout
• Direct impact or irritation to the back of the heel

Why Haglund deformity matters

Haglund deformity is a bony enlargement on the back of the heel. It can crowd the space where the Achilles tendon and bursa need to move smoothly. Add a stiff-backed shoe, and the area may become irritated again and again. This is why some people develop a painful bump that seems to hate dress shoes, skates, boots, or any footwear that refuses to mind its own business.

Who is more likely to get it?

Retrocalcaneal bursitis is especially common in runners, dancers, court-sport athletes, hikers, and anyone who suddenly ramps up lower-body activity. It can also affect people who spend long hours on their feet, wear rigid or rubbing shoes, or have tight calves and poor ankle flexibility. Middle-aged adults may be more likely to have related degenerative changes around the Achilles insertion, which can make symptoms more stubborn.

How Doctors Diagnose Retrocalcaneal Bursitis

Diagnosis usually starts with a history and physical exam. A healthcare provider will ask where the pain is, when it started, what activities make it worse, and whether shoes trigger symptoms. Then they’ll examine the back of the heel, check for swelling and warmth, press around the Achilles insertion, and see whether certain ankle movements reproduce the pain.

In many cases, the diagnosis is mainly clinical. Imaging is not always needed right away, especially when the symptoms and exam are classic. But your clinician may order tests if symptoms are severe, lingering, or confusing.

Tests that may be used

• X-ray: Can help show a Haglund deformity, bone spurs, or other bony causes of heel pain
• Ultrasound: May show fluid in the bursa and help distinguish bursitis from tendon problems
• MRI: Sometimes used when the diagnosis is unclear or to evaluate the Achilles tendon and surrounding structures more closely

Because heel pain has a long guest list, doctors may also consider other conditions such as insertional Achilles tendinopathy, Achilles tear, plantar fasciitis, calcaneal stress fracture, or inflammatory arthritis.

Treatment for Retrocalcaneal Bursitis

The main goal of treatment is simple: calm the inflammation, reduce pressure on the bursa, and fix the reason the area got irritated in the first place. Most people improve without surgery.

First-line treatment at home

• Relative rest: Cut back on the activities that trigger pain, especially running, jumping, hills, or aggressive walking workouts
• Ice: Apply an ice pack for short sessions several times a day to help reduce pain and swelling
• Footwear changes: Switch to softer-backed or open-backed shoes to reduce pressure on the heel
• Heel lifts or wedges: These can reduce strain on the Achilles and decrease compression at the bursa
• Pain relievers: NSAIDs such as ibuprofen or naproxen may help if they are safe for you to use

The key word here is relative rest, not total bed rest. In many cases, you do not have to stop moving completely. You just need to stop poking the bear with the exact activity that makes it angrier.

Physical therapy and rehab

Physical therapy for retrocalcaneal bursitis often focuses on improving calf flexibility, restoring ankle motion, strengthening the lower leg, and correcting training or movement issues that keep overloading the back of the heel. A therapist may also look at your shoes, gait, and exercise habits to spot patterns that are keeping the irritation alive.

Stretching may help, but it needs to be used thoughtfully. Aggressive stretching into deep dorsiflexion can sometimes irritate the area more, especially when the bursa is highly inflamed. In plain English: if a stretch feels like your heel is filing a formal complaint, back off.

When a boot, injection, or procedure may help

If pain is more severe, a clinician may recommend temporary immobilization in a walking boot to let the area settle down. In some stubborn cases, a corticosteroid injection into the bursa may be considered. However, injections near the Achilles tendon are used with caution because of the risk of weakening the tendon or contributing to rupture. That is not the kind of surprise anyone wants in the middle of a grocery store parking lot.

Other procedures may be discussed in selected cases, especially if there is a combination of bursitis, insertional Achilles disease, or a significant Haglund deformity. These decisions depend on the exact anatomy, the severity of symptoms, and how well conservative treatment has worked.

When surgery is considered

Surgery for retrocalcaneal bursitis is usually reserved for cases that do not improve after months of appropriate nonoperative treatment. The procedure may involve removing the inflamed bursa, shaving down a bony prominence, or addressing damaged tissue around the Achilles insertion. Recovery takes time, and surgery is usually viewed as the backup plan, not the opening act.

How Long Does Recovery Take?

Recovery depends on what caused the bursitis, how long it has been present, and whether the Achilles tendon is also involved. Mild cases may improve in a few weeks with activity modification and shoe changes. More stubborn cases can take several months, especially if the problem has been simmering for a while or keeps getting re-triggered by training habits, work demands, or impossible-to-break shoe loyalties.

Returning too quickly to running or jumping can bring the pain right back. A gradual return is usually best. Think “ease in intelligently,” not “I felt better yesterday, so naturally I signed up for a hill sprint workout.”

How to Prevent Retrocalcaneal Bursitis

You cannot bubble-wrap your heels, but you can lower your odds of a flare-up.

• Increase exercise volume gradually, especially running mileage and hill work
• Warm up before activity and keep calf flexibility and ankle mobility in a healthy range
• Choose shoes that do not rub or compress the back of your heel
• Replace worn-out footwear when support and fit start to decline
• Address tight calves, altered gait, or strength imbalances before they become chronic problems
• Modify activity early when heel pain starts instead of trying to “push through” for weeks

When to See a Healthcare Provider

It is time to get evaluated if heel pain lasts more than a week or two, keeps getting worse, or interferes with normal walking. Seek prompt care sooner if you have:

• Severe swelling, marked redness, or warmth
• Fever or signs of infection
• A sudden “pop” in the heel or calf
• Trouble pushing off or walking normally
• Pain after a fall or traumatic injury

Those symptoms can point to something more serious, including infection or an Achilles tendon tear.

Common Experiences With Retrocalcaneal Bursitis

One of the trickiest things about retrocalcaneal bursitis is that it often starts small. A runner may notice a little soreness after hill repeats and assume it is just ordinary training fatigue. A nurse or teacher who stands all day might feel a nagging ache in the back of the heel by evening and blame long shifts. A person who buys new dress shoes may think the stiff heel is “just breaking in,” while the heel itself is very much not on board with that plan.

A common experience is pain that seems annoying but manageable at first. People often say the heel feels tight in the morning, then loosens up a bit once they get moving. Later in the day, especially after lots of walking or time on stairs, the pain returns with more attitude. Some describe it as a pinch when they push off. Others notice a swollen, tender bump that makes every closed-back shoe feel like a personal insult.

Another frequent pattern is confusion with Achilles problems. Someone may assume they have Achilles tendinitis because the pain is near the tendon, only to learn that the inflamed bursa is the real troublemaker. In real life, these issues can overlap. That is why people often feel frustrated when generic calf stretches or random internet exercises do not magically fix the problem. If the bursa is inflamed, too much stretching or too much dorsiflexion can sometimes make symptoms worse instead of better.

Many people also report a cycle of “better, then worse again.” They rest for a few days, the heel calms down, and they return to normal activity at full speed. Then the pain flares right back up. This is incredibly common. Retrocalcaneal bursitis usually responds best when treatment includes both short-term symptom relief and a long-term fix, such as footwear changes, activity adjustment, calf rehab, or better training progression. Otherwise, the bursa keeps getting irritated by the same forces that caused the problem in the first place.

For athletes, the emotional part can be surprisingly real. Heel pain does not sound dramatic until it stops you from running, playing your sport, or even walking comfortably to the coffee shop. People often worry that every step is causing more damage, or they get impatient because the problem is “just bursitis” and therefore seems like it should vanish overnight. Unfortunately, soft tissue problems are often rude but slow. Improvement usually comes in stages: less morning stiffness, less shoe irritation, better tolerance for walking, then a gradual return to exercise.

The encouraging part is that many people recover well once they stop treating the pain like a minor inconvenience and start addressing it like the real mechanical issue it is. Supportive shoes, a temporary heel lift, smart rehab, and a calmer return-to-activity plan often make a noticeable difference. In other words, your heel is not necessarily fragile. It is just asking, somewhat dramatically, for a better setup.

The Bottom Line

Retrocalcaneal bursitis is inflammation of the small bursa between the Achilles tendon and heel bone. It commonly causes pain, tenderness, swelling, and pressure sensitivity at the back of the heel. Overuse, tight calves, footwear friction, and Haglund deformity are common culprits, and the condition may overlap with Achilles tendon problems.

The good news is that retrocalcaneal bursitis treatment is usually conservative: rest from aggravating activity, ice, shoe changes, heel lifts, and physical therapy. More persistent cases may need imaging, temporary immobilization, or carefully selected procedures. Surgery is uncommon but can help when symptoms do not improve and a structural problem is driving the irritation.

If your heel has been complaining loudly for more than a couple of weeks, listen to it. Not because your heel is always right, but because in this case, it might actually be onto something.