Quick answer: Achilles Tendinopathy affects roughly 1 in 4 adults in our practice that affects many patients. Effective treatment starts with a targeted diagnosis, conservative-first treatment, and escalation only when needed. We treat this regularly at our Howell and Bloomfield Township practices. Call (810) 206-1402.
Medically reviewed by Dr. Tom Biernacki, DPM
Board-certified podiatric surgeon | Balance Foot & Ankle
Last reviewed: May 2026
Quick answer: Achilles tendinopathy treatment begins with progressive tendon loading — the Alfredson eccentric protocol or heavy slow resistance training — for 12 weeks. Shockwave therapy, orthotics, and activity modification support recovery. Surgery is reserved for the 20–25% who fail conservative care after 6 months.
In This Article
- Mid-Portion vs. Insertional: Two Different Conditions
- The Alfredson Eccentric Protocol: Still the Gold Standard for Mid-Portion
- Insertional Tendinopathy: A Different Loading Strategy
- Adjunct Treatments with Evidence
- Surgical Treatment: Reserved for Failures
- Frequently Asked Questions
- The Bottom Line
- Sources
Why Achilles Tendinopathy Is Harder to Treat Than It Looks
If you’ve had Achilles tendinopathy, you know the frustrating pattern: rest makes the stiffness worse, activity initially seems to help but then causes a flare the next morning, and the same exercises that help runners seem to make your insertional pain worse. Achilles tendinopathy treatment is nuanced precisely because the Achilles behaves differently depending on where the pathology sits, how long it’s been present, and what stage of degeneration the tendon is in. Treating all Achilles pain the same way is the most common reason patients spend months going in circles.
The Achilles tendon is the largest and strongest tendon in the body, yet it has a notoriously poor blood supply — particularly at the mid-portion, 2–7 cm above the insertion, where the vascular watershed zone creates a healing bottleneck. Tendinopathy (the preferred term, replacing tendinitis since inflammation is not the primary pathology) reflects a failed healing response: the tendon attempts to repair but produces disorganized, mechanically inferior collagen rather than restoring normal architecture.
Mid-Portion vs. Insertional: Two Different Conditions
The most important distinction in Achilles tendinopathy treatment is location. Mid-portion tendinopathy (2–7 cm above the insertion) and insertional tendinopathy (at the calcaneal attachment) have different pathomechanics and respond differently to treatment. Mid-portion disease is driven by tensile overload — repetitive stretching of the avascular zone during push-off. Insertional disease involves compression of the tendon against the posterior calcaneal prominence (Haglund deformity), coupled with bursitis and often calcification. Critically: the eccentric heel drop exercises that are effective for mid-portion disease can aggravate insertional tendinopathy, because dropping the heel below neutral increases calcaneal compression. Mixing up these treatments is a common and costly mistake.
The Alfredson Eccentric Protocol: Still the Gold Standard for Mid-Portion
The Alfredson eccentric heel drop protocol, published in 1998, improved Achilles tendinopathy treatment and remains the most replicated intervention in the field. The protocol: stand on a step, rise onto the ball of the affected foot using both legs, then slowly lower the heel below the step level using only the affected leg (3 seconds down). Perform 3 sets of 15 repetitions twice daily, 7 days a week, for 12 weeks — on a straight knee (targets the gastrocnemius) and a bent knee (targets the soleus). The key principle: continue through pain. Initial discomfort is expected and part of the adaptation stimulus. If no pain, it’s not working. Published pooled success rates range from 60–80% for compliant patients at 12 weeks. Heavy slow resistance (HSR) training — using a leg press or standing calf machine at high loads, slow tempo — has comparable efficacy with potentially better patient adherence and is a valid alternative.
Key takeaway: The eccentric protocol works for mid-portion tendinopathy — but only if done consistently for the full 12 weeks. The most common reason it “doesn’t work” is that patients stop when it hurts, do it sporadically, or use it for insertional disease where it is contraindicated.
Insertional Tendinopathy: A Different Loading Strategy
For insertional Achilles tendinopathy, the loading protocol is modified. Eccentric exercises should be performed on a flat surface only — not below neutral. Isometric exercises (holding a calf raise position at mid-range for 30–45 seconds, 5 repetitions) provide immediate pain relief via cortical inhibition and are a useful starting point during painful flares. Progressive isotonic loading — concentric and eccentric calf raises on a flat surface — builds tendon capacity without the compression that worsens insertional pain. Heel lifts (8–12 mm) reduce the degree of Achilles stretch during gait and are remarkably effective for insertional symptoms. Avoiding barefoot walking and any activity that forces the ankle into end-range dorsiflexion (yoga, deep squats, downhill running) is essential during the treatment phase.
Adjunct Treatments with Evidence
Extracorporeal shockwave therapy (ESWT) is the most evidence-supported adjunct for Achilles tendinopathy, particularly insertional disease with calcification. High-energy ESWT disrupts calcific deposits and induces neovascularization and growth factor release. Multiple RCTs demonstrate significant improvements in pain and function at 3–6 months compared to sham. Three to five weekly sessions are typical. Custom orthotics addressing overpronation and heel varus reduce abnormal Achilles loading and are particularly valuable for patients with foot alignment contributing to the tendinopathy. Platelet-rich plasma (PRP) injections have shown mixed results in systematic reviews; the best evidence supports PRP for mid-portion tendinopathy that has failed eccentric loading, but it should not replace a supervised loading program. Corticosteroid injections are generally avoided — they provide short-term pain relief but weaken tendon structure and may increase rupture risk with continued activity.
Surgical Treatment: Reserved for Failures
Surgery is appropriate when 6 months of comprehensive conservative management — including a proper loading program, ESWT, and orthotic therapy — has failed to provide adequate relief. The procedure depends on location: mid-portion disease involves tendon debridement and longitudinal tenotomies, with FHL tendon transfer augmentation when degeneration exceeds 50% of cross-section. Insertional disease requires calcaneal exostectomy, bursectomy, calcification debridement, and often tendon reattachment with suture anchors. Success rates of 75–90% are reported in appropriately selected patients. Recovery ranges from 3–8 months depending on the procedure.
⚠️ Seek urgent evaluation for:
- Sudden, severe heel pain with a “pop” — possible Achilles rupture requiring urgent evaluation
- Inability to stand on tiptoe after a sudden injury to the back of the ankle
- Achilles pain in a patient taking fluoroquinolone antibiotics (ciprofloxacin, levofloxacin) — significantly elevated rupture risk
- Chronic Achilles pain in a patient with rheumatoid arthritis or systemic inflammatory disease
In-Office Treatment at Balance Foot & Ankle
If home treatment isn’t providing relief for your Achilles tendon conditions, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.
Same-day appointments available. (810) 206-1402
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Natural topical pain relief I use in our clinic. Arnica + camphor formula — apply directly to the area 3–4x daily. ($20–25)
Frequently Asked Questions
What’s the difference between Achilles tendinitis and tendinosis?
Tendinitis is acute inflammation (early-stage, under 6 weeks). Tendinosis is chronic degeneration without active inflammation — collagen breakdown, microscopic tearing, thickening. This distinction is critical for treatment: tendinitis responds to rest and anti-inflammatories; tendinosis does NOT respond to NSAIDs or ice because there’s no active inflammation to suppress. Tendinosis requires eccentric loading therapy and often PRP to stimulate collagen repair. Many patients treat tendinosis like tendinitis for months, prolonging recovery unnecessarily.
Will Achilles tendinitis lead to a rupture?
Untreated Achilles tendinopathy increases rupture risk — but it’s not inevitable. Risk rises significantly when patients continue high-impact activity through moderate-to-severe pain, or return to sport before the tendon has healed. In our practice, patients who complete a structured eccentric loading protocol have roughly a 3% rupture rate. Those who ignore the condition and keep training have rates closer to 15–20%. Early treatment isn’t optional — it’s rupture prevention.
How long does Achilles tendinitis take to heal?
Insertional Achilles tendinitis (at the heel bone) typically takes longer than mid-portion tendinitis — often 3–6 months with consistent treatment. Mid-portion responds faster, usually 6–12 weeks. The biggest predictor of recovery time is how long you’ve had symptoms before starting treatment. Patients who begin care within 4 weeks recover twice as fast as those who wait 6+ months. Chronic tendinosis can require 12–18 months even with optimal care.
What is eccentric heel drop exercise and does it work?
Eccentric loading — raising on both feet on a step and lowering slowly on the injured foot alone — is the single most evidence-supported treatment for mid-portion Achilles tendinopathy. The Alfredson protocol (3 sets of 15 reps, twice daily, over 12 weeks) shows 60–80% success rates in research. The mechanism: controlled overload stimulates collagen remodeling and tendon thickening. It should be done on a step edge with a heel drop below level — flat-surface heel raises are significantly less effective.
Can I exercise with Achilles tendinitis?
Yes, with modification. Low-impact activity — swimming, cycling, elliptical — is generally well-tolerated and maintains fitness without loading the tendon. Running can often continue at reduced volume (30–40% less) if pain stays below 4/10 during activity. Plyometrics, hill running, and speed work should stop until the tendon is at least 70% healed. The key rule: some discomfort during eccentric exercises is acceptable; sharp or worsening pain means stop.
Should I use heat or ice for Achilles tendinitis?
For acute tendinitis (first 2–4 weeks): ice after activity to reduce inflammatory pain. For chronic tendinosis: heat before exercise to increase blood flow; ice after to reduce post-exercise soreness. Many patients with chronic tendinosis use ice exclusively and wonder why they’re not improving — cold vasoconstricts the tendon, reducing the blood flow that chronic degeneration requires to heal. If symptoms have been present more than 6 weeks, switch your protocol.
What shoes help Achilles tendinitis?
A heel lift of 8–12mm is the most impactful footwear modification — it reduces the mechanical stretch of the tendon during gait. Motion-control or stability shoes work better than neutral shoes for most patients. Avoid minimalist and zero-drop shoes entirely during treatment. Temporary heel lifts (3/8″) added to regular shoes are a quick way to assess whether elevation helps before investing in specific footwear.
What is PRP therapy and does it work for Achilles tendinopathy?
PRP (Platelet-Rich Plasma) involves drawing your blood, concentrating the growth factors via centrifuge, and injecting them into the tendon under ultrasound guidance. For chronic mid-portion Achilles tendinosis that hasn’t responded to 12+ weeks of eccentric exercise, PRP shows 60–75% success rates in systematic reviews. Results take 6–12 weeks to manifest. We use ultrasound guidance for all tendon injections to ensure accurate placement. PRP is generally not covered by insurance but is typically $400–700 per treatment.
Does Achilles tendinitis affect both feet?
Most cases are unilateral (one side), typically the dominant-leg side or the side of greater mechanical load. Bilateral Achilles tendinopathy can occur in runners who dramatically increase training volume, but also warrants evaluation for systemic conditions — particularly fluoroquinolone antibiotic use (ciprofloxacin, levofloxacin are known to weaken tendons), seronegative arthropathies, and hypothyroidism. If both tendons are symptomatic without a clear mechanical cause, a systemic workup is appropriate.
When does Achilles tendinopathy require surgery?
Surgery is considered after 6–12 months of failed conservative management. Procedures include debridement of degenerated tissue, calcification removal (for insertional tendinopathy), and in severe cases, tendon reconstruction with FHL transfer. About 10–15% of patients with Achilles tendinopathy eventually need surgery. The outcomes are generally good — 80–90% return to activity — but recovery takes 6–9 months. We always exhaust shockwave therapy and PRP before recommending surgery.
Is Achilles tendinitis related to plantar fasciitis?
They often co-occur and share common risk factors: tight calf muscles, overpronation, rapid training increases, and inadequate footwear. Mechanically, a tight gastrocnemius (calf) increases load on both the Achilles insertion and the plantar fascia. Treating one effectively often improves the other. If you have both conditions simultaneously, the rehabilitation protocol is similar — eccentric calf work and dorsiflexion stretching address both pathologies.
The Bottom Line
Achilles tendinopathy treatment works — but only when it’s matched to the correct anatomical location and applied consistently. Progressive tendon loading, adapted for mid-portion or insertional disease, is the foundation of all effective treatment. Adjuncts like shockwave therapy and orthotics support but don’t replace a structured loading program. If you’ve been struggling with Achilles pain for more than 6–8 weeks without a clear treatment plan, a thorough podiatric evaluation will define the problem precisely and set you on the right path.
Sources
- Alfredson H, et al. Heavy-load eccentric calf muscle training for treatment of chronic Achilles tendinosis. Am J Sports Med. 1998;26(3):360-366.
- Beyer R, et al. Heavy slow resistance vs. eccentric training as treatment for Achilles tendinopathy. Am J Sports Med. 2015;43(7):1704-1711.
- Maffulli N, et al. Eccentric exercises in the management of Achilles tendinopathy: a systematic review. Disabil Rehabil. 2011;33(19-20):1787-1793.
- Martin RL, et al. Achilles Pain, Stiffness, and Muscle Power Deficits: Insertional Achilles Tendinopathy Clinical Practice Guidelines. J Orthop Sports Phys Ther. 2018;48(5):A1-A38.
Related Conditions
Both caused by tight calf complex
Posterior spur at Achilles insertion
Overpronation loads Achilles asymmetrically
Calcaneal stress fracture mimics insertional pain
Achilles Pain That Won’t Go Away?
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What is Achilles tendon?
Achilles tendon is a common foot/ankle condition that affects mobility and quality of life. Understanding the underlying cause is the first step in successful treatment. Our podiatrists at Balance Foot & Ankle perform a hands-on biomechanical exam, review your activity history, and use diagnostic imaging when appropriate to identify the root cause—not just treat the symptom. Many patients have been told to “rest and ice” without a deeper diagnostic workup; our approach is different.
Symptoms and warning signs
Common signs of Achilles tendon include pain that worsens with activity, morning stiffness, swelling, tenderness when palpated, and difficulty bearing weight. If you experience sudden severe pain, inability to walk, visible deformity, numbness or color change, contact our office the same day or visit urgent care—these can signal a more serious injury such as a fracture, tendon rupture, or vascular compromise. Diabetics with any foot wound should seek same-day care.
Conservative treatment options
Most cases of Achilles tendon respond to non-surgical care: structured rest, supportive footwear changes, custom orthotics, targeted stretching and strengthening protocols, anti-inflammatory medications when medically appropriate, and in-office procedures such as ultrasound-guided injections. We also offer advanced therapies including MLS laser therapy, EPAT/shockwave, regenerative injections, and image-guided procedures. Treatment is sequenced from least invasive to most invasive, and we explain the rationale at every step.
When is surgery considered?
Surgery is reserved for cases that fail 3-6 months of well-structured conservative care, when there is structural pathology (severe deformity, complete tear, advanced arthritis), or when imaging shows damage that will not heal without intervention. Our surgeons have performed 3,000+ foot and ankle procedures and prioritize minimally-invasive techniques whenever appropriate. We discuss recovery timelines, return-to-activity milestones, and realistic outcome expectations before any procedure is scheduled.
Recovery timeline and prevention
Recovery from Achilles tendon varies based on severity and chosen treatment path. Conservative cases often improve within 4-8 weeks with consistent adherence to the protocol. Post-procedural recovery may range from a few days (in-office procedures) to several months (reconstructive surgery). Long-term prevention involves footwear assessment, activity modification, structured strengthening, and regular check-ins with your podiatrist if you have a history of recurrence. We provide written home-exercise plans and digital follow-up support.
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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.
- Plantar Fasciitis: Diagnosis and Conservative Management (PubMed)
- Plantar Fasciitis (APMA)
- Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
- Heel Pain (APMA)
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