Heel Bursitis: Retrocalcaneal and Subcutaneous Achilles Bursa Pain and Treatment

Quick answer: Treatment for heel bursitis retrocalcaneal achilles bursa treatment follows a stepwise approach: 1) conservative care first (rest, ice, supportive footwear, OTC anti-inflammatories), 2) physical therapy and targeted exercises, 3) in-office treatments (injections, custom orthotics) if conservative fails at 4-6 weeks, 4) surgery for refractory cases. Most patients resolve at step 1 or 2. Call (810) 206-1402.

Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

What Is Retrocalcaneal Bursitis?

The retrocalcaneal bursa is a small, fluid-filled sac located between the Achilles tendon and the posterior surface of the calcaneus (heel bone). Its purpose is to reduce friction and cushion the tendon as it slides over the bone during ankle motion. When this bursa becomes inflamed and swollen, it produces deep heel pain that is distinct from other causes of posterior heel problems.

Retrocalcaneal bursitis develops from repetitive compression of the bursa between the Achilles tendon and the bone. Activities that involve repeated ankle dorsiflexion — uphill running, climbing stairs, deep squatting — compress the bursa with each movement. A prominent posterior-superior calcaneal prominence (Haglund deformity) can also mechanically irritate the bursa by reducing the space available.

The condition is often seen in runners who increase hill training, in individuals who transition to shoes with a lower heel drop, and in patients with Haglund deformity who wear rigid-backed shoes. It frequently coexists with insertional Achilles tendinopathy because the same mechanical factors that irritate the bursa also stress the tendon insertion.

Symptoms and How to Tell It Apart from Achilles Tendinitis

Retrocalcaneal bursitis produces deep, aching pain at the very back of the heel, right where the Achilles tendon meets the bone. The pain is worst with activities that compress the bursa — uphill walking, climbing stairs, and pushing off during running. Squeezing the sides of the heel at the Achilles insertion — the two-finger squeeze test — reproduces the deep pain characteristic of bursitis.

Achilles tendinopathy, by contrast, produces pain within the tendon itself — either at the insertion (insertional) or 2 to 6 centimeters above (non-insertional). The pain is typically worse with the initial steps of the day and during push-off activities. Pinching the tendon between the fingers reproduces the pain, which is different from the deep squeeze-test pain of bursitis.

The distinction matters because treatment approaches differ. Eccentric heel drops — the cornerstone of Achilles tendinopathy treatment — can actually worsen retrocalcaneal bursitis by repeatedly compressing the inflamed bursa. This is a common reason why patients with bursitis fail standard Achilles tendon rehabilitation programs and become frustrated with lack of improvement.

Conservative Treatment Strategies

The first priority is reducing the repetitive compression that drives the inflammation. A temporary heel lift inside the shoe raises the heel slightly and reduces the degree of ankle dorsiflexion during walking, which decreases bursa compression. Avoiding uphill walking, stair climbing, and deep squatting during the acute phase removes the provocative activities.

Anti-inflammatory medication — both oral NSAIDs and topical formulations — reduces the inflammatory component. Ice applied to the back of the heel for 15 to 20 minutes after activity reduces swelling. If the pain is severe, a corticosteroid injection into the retrocalcaneal bursa under ultrasound guidance can provide rapid relief, though injections near the Achilles tendon must be performed carefully to avoid tendon weakening.

Footwear modification is essential. Shoes with a rigid, unyielding heel counter that presses directly on the inflamed bursa perpetuate the condition. Open-backed shoes, soft heel counters, or shoes with a notched Achilles area reduce direct pressure. Removing the insole and trimming the heel area of the shoe can also create more space for the swollen posterior heel.

Physical Therapy and Rehabilitation

Physical therapy for retrocalcaneal bursitis differs from standard Achilles tendon protocols. While calf stretching remains important, the aggressive eccentric loading programs used for mid-substance Achilles tendinopathy can worsen bursitis by compressing the inflamed bursa. Instead, isometric loading and moderate concentric-eccentric exercises that avoid end-range dorsiflexion are preferred.

Manual therapy including soft tissue mobilization around the Achilles insertion, instrument-assisted techniques, and gentle joint mobilization of the ankle and subtalar joint can improve tissue mobility and reduce pain. Cross-friction massage along the Achilles tendon helps address any concurrent tendinopathy.

As symptoms improve, graduated loading is introduced. Pool-based exercises allow early movement without the impact of land-based activity. Cycling and elliptical training maintain cardiovascular fitness with minimal bursa compression. Return to running follows a progressive protocol that begins on flat surfaces and gradually reintroduces inclines only after flat running is pain-free.

Haglund Deformity: When Bone Structure Is the Problem

Haglund deformity — a prominent bony enlargement on the back of the heel bone — is a common structural cause of retrocalcaneal bursitis. The enlarged bone reduces the space available for the bursa and mechanically irritates both the bursa and the Achilles tendon insertion. This creates a chronic cycle of inflammation that may not resolve with conservative treatment alone.

The diagnosis is confirmed with lateral foot X-rays that demonstrate the prominent posterior-superior calcaneal angle. An MRI may be obtained to assess the degree of bursal inflammation, evaluate the Achilles tendon for associated damage, and guide surgical planning if operative treatment is considered.

When a significant Haglund deformity is present, conservative treatment may control symptoms but often provides only temporary relief because the structural problem persists. Surgical resection of the Haglund prominence is the definitive treatment, removing the bone that compresses the bursa and creating adequate space for the Achilles tendon.

Surgical Treatment for Refractory Bursitis

Surgical intervention is considered when at least three to six months of comprehensive conservative treatment has not adequately controlled symptoms. The surgery involves removal of the inflamed retrocalcaneal bursa and resection of the posterior-superior calcaneal prominence (Haglund deformity) to eliminate the mechanical irritation.

The procedure can be performed through an open approach or endoscopically. Endoscopic calcaneoplasty uses two small portals to visualize and remove the bursa and bone prominence with minimal soft tissue disruption. This approach offers faster recovery, less postoperative pain, and reduced risk of Achilles tendon detachment compared to open surgery.

If the Achilles tendon insertion is significantly involved — with tendinopathy, calcification, or partial detachment — the tendon may need to be partially detached to access and remove the diseased bone, then reattached with suture anchors. This more extensive procedure requires a longer non-weight-bearing period but addresses all components of the posterior heel pathology.

Expert Heel Pain Treatment at Balance Foot & Ankle

At Balance Foot & Ankle Specialists, Dr. Tom Biernacki uses diagnostic ultrasound and clinical assessment to accurately distinguish retrocalcaneal bursitis from Achilles tendinopathy and other causes of posterior heel pain. This diagnostic precision ensures you receive the correct treatment from the start rather than spending months on an inappropriate protocol.

When surgical treatment is needed, our minimally invasive endoscopic approach minimizes tissue disruption and accelerates recovery. We address all components of the posterior heel pathology — bursa, bone prominence, and tendon — in a single procedure to provide comprehensive and lasting relief.

With offices in Howell and Bloomfield Hills, we serve patients throughout Southeast Michigan. If deep heel pain at the back of the ankle is limiting your activities, schedule an evaluation for accurate diagnosis and targeted treatment.

The Most Common Mistake We See

The most common mistake with retrocalcaneal bursitis is treating it as Achilles tendinitis and prescribing aggressive eccentric loading exercises. While these exercises are the gold standard for mid-substance Achilles tendinopathy, they repeatedly compress the inflamed bursa and can make bursitis worse. The correct diagnosis must be established before starting treatment — the squeeze test and imaging help distinguish between these two conditions that occupy the same real estate at the back of the heel.

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In-Office Treatment at Balance Foot & Ankle

Our team provides sport-specific evaluation and treatment to get you back to your activity safely. We offer same-day X-ray, in-office ultrasound, and custom orthotic fabrication.

Same-day appointments available. Call (810) 206-1402 or book online.

Frequently Asked Questions

What causes retrocalcaneal bursitis?

Retrocalcaneal bursitis is caused by repetitive compression of the bursa between the Achilles tendon and the heel bone. Activities involving ankle dorsiflexion like uphill running and stair climbing are common triggers. A Haglund deformity, rigid shoe heel counters, and sudden increases in activity that involve heel loading also contribute to bursal inflammation.

How is heel bursitis different from Achilles tendinitis?

Retrocalcaneal bursitis produces deep pain at the back of the heel reproduced by squeezing the sides of the heel. Achilles tendinitis causes pain within the tendon itself reproduced by pinching the tendon. The distinction is important because eccentric loading exercises that help tendinitis can worsen bursitis by compressing the inflamed bursa.

How long does heel bursitis take to heal?

With appropriate conservative treatment including activity modification, heel lifts, anti-inflammatory measures, and footwear changes, most cases improve significantly within six to eight weeks. Cases associated with Haglund deformity may take longer or require surgical intervention if the structural cause continues to compress the bursa.

Does heel bursitis require surgery?

Most cases of retrocalcaneal bursitis resolve with conservative treatment. Surgery is considered when symptoms persist despite three to six months of comprehensive non-surgical management. The procedure removes the inflamed bursa and any bony prominence causing mechanical irritation. Minimally invasive endoscopic techniques allow faster recovery than traditional open surgery.

The Bottom Line

Retrocalcaneal bursitis is a common cause of posterior heel pain that responds well to targeted treatment when accurately diagnosed. The key is distinguishing it from Achilles tendinopathy early, as the treatment approaches differ significantly. Whether through conservative measures or minimally invasive surgery, effective relief is available for this frustrating condition.

Sources

1. Wiegerinck JI, et al. Treatment of retrocalcaneal bursitis: a systematic review. J Foot Ankle Surg. 2024;63(2):198-208.
2. van Dijk CN, et al. Endoscopic calcaneoplasty for Haglund disease. Foot Ankle Clin. 2024;29(4):601-615.
3. Irwin TA. Insertional Achilles tendinopathy and Haglund deformity: current management. Clin Podiatr Med Surg. 2025;42(1):145-162.

Heel Bursitis Treatment in Michigan

Retrocalcaneal bursitis causes pain at the back of the heel that interferes with walking and activity. At Balance Foot & Ankle, we offer comprehensive treatment from conservative care to surgical intervention when needed.

Learn About Our Heel Pain Treatments | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Sofka CM, et al. “Haglund’s syndrome: diagnosis and treatment.” HSS J. 2006;2(1):27-29.
2. Kucuksen S, et al. “The prevalence of retrocalcaneal bursitis in patients with Achilles tendinopathy.” Rheumatol Int. 2012;32(9):2589-2593.
3. Pavlov H, et al. “Retrocalcaneal bursitis: diagnosis with MR imaging.” Radiology. 1982;144(1):83-88.

When Shoes Aren’t Enough — Dr. Tom’s Top 9 Orthotics

About 30% of patients I see for foot pain need MORE than a great shoe — they need a structured insole. Below: my complete 2026 orthotic ranking with pros, cons, and the specific patient I’d give each one to.

Frequently Asked Questions

How long does treatment take to work?

Most patients see improvement in 4-8 weeks with consistent conservative care. Persistent symptoms after 8 weeks need imaging and escalation.

When is surgery needed?

Surgery is reserved for cases that fail 3-6 months of conservative care, structural deformities, or fractures requiring stabilization.

Is this covered by insurance?

Most diagnostic visits and conservative treatments are covered by Medicare and major insurers. Custom orthotics often require diabetic or post-surgical justification.