A patient came into my office a few months ago with a chronic Achilles tendinopathy. He'd had three cortisone injections over two years from his primary care physician. Each one had worked for a few weeks, then the pain came back worse. By the time he reached me, the tendon was visibly thickened on imaging and the pain was constant.
This is one of the patterns I see often, and it's why I want to talk about the cortisone vs. shockwave question. Both are real treatment options. Both have a place. But for many tendon-related conditions, the order matters — and most patients are getting cortisone shots when shockwave therapy would be the better first choice.
What Cortisone Actually Does
Cortisone is a synthetic steroid that suppresses inflammation. When injected near a painful area, it produces fast, often dramatic pain relief. Patients love it because it works quickly. Doctors use it because it's quick to administer, covered by insurance, and produces measurable short-term improvement.
The problem isn't acute use. It's repeated use, particularly in tendons and ligaments. A growing body of evidence — including a 2017 BMJ analysis covering hundreds of patients — has shown that repeated cortisone injections in tendinopathy produce worse outcomes long-term than placebo or rest. The mechanism is biological. Cortisone inhibits the inflammatory response, but it also inhibits collagen synthesis and tissue repair. Tendons get weaker. The tissue degrades over time.
The fast relief masks ongoing damage. Patients come back months later with worse tendons and need stronger treatment to fix what's now a deeper structural problem.
What Shockwave Therapy Does
Extracorporeal shockwave therapy — ESWT — works in essentially the opposite direction. Rather than suppressing inflammation, it triggers a controlled, targeted inflammatory response in damaged tissue. This sounds like it should make things worse. It doesn't. The body's healing response had often gotten stuck — not enough inflammation to drive repair, but too much chronic low-grade irritation to resolve. Shockwave restarts the healing cycle.
What ESWT actually produces in tissue:
- Neovascularization — new blood vessel growth in chronically poorly-perfused areas like tendon insertions
- Collagen remodeling — disorganized scar tissue gets broken down and replaced with properly aligned collagen
- Reduced calcification — calcium deposits in chronic tendinopathies break down
- Pain modulation — alters nerve fiber signaling at treatment sites, reducing chronic pain transmission
- Stem cell recruitment — increases local mesenchymal stem cell activity
This isn't symptom masking. It's structural healing. The relief is slower because actual tissue regeneration takes weeks. But what you get at the end is a tendon that's genuinely better, not just temporarily numbed.
Conditions Where I Use Shockwave First
Plantar Fasciitis
The most studied indication. A 2020 systematic review and meta-analysis in PLoS One reviewed multiple randomized controlled trials and concluded ESWT produces significant improvement in pain and functional outcomes for chronic plantar fasciitis compared to sham treatment. Success rates of 60-80% after a complete treatment series are commonly reported. For the chronic plantar fasciitis patients I see — the ones who've already tried inserts, stretching, night splints, and rest — shockwave is usually the right next step before considering cortisone or surgery.
Achilles Tendinopathy
Both insertional and mid-portion variants respond well. The Achilles is one of the worst tendons for repeated cortisone — the risk of catastrophic rupture is real. Shockwave is the better-evidenced and safer choice for most cases.
Lateral and Medial Epicondylitis
Tennis elbow and golfer's elbow. Cortisone provides short-term relief but multiple studies show worse long-term outcomes than placebo with repeated injections. ESWT produces meaningful improvement in pain, grip strength, and function.
Patellar Tendinopathy
"Jumper's knee" — common in runners, jumpers, and weight-trained athletes. Strong evidence for ESWT, particularly in chronic cases.
Calcific Shoulder Tendinopathy
One of the strongest single indications. ESWT can break down calcium deposits and produce dramatic functional improvement, often avoiding surgery.
Greater Trochanteric Pain Syndrome (Hip Bursitis)
Increasing evidence supports ESWT for chronic lateral hip pain when injection and physical therapy haven't resolved symptoms.
When Cortisone Still Has a Place
I'm not anti-cortisone. There are cases where it's the right choice:
- Acute inflammatory conditions where rapid pain relief enables early movement (frozen shoulder in early stages, for example)
- Bursitis without significant tendon involvement — the bursa responds well, and the tendon isn't being directly affected
- Joint injections (knee, hip, shoulder) where the target is intra-articular and not tendon
- Cases where movement and rehabilitation can't begin without acute pain reduction
- One-time use as a bridge to definitive treatment
The problem is when cortisone becomes the default for chronic tendinopathy and the same patient gets injection after injection without the underlying tissue being actually treated.
What a Shockwave Session Actually Looks Like
Sessions take 10-15 minutes. The applicator is placed on the skin over the target tissue with a coupling gel. You feel rapid percussive impulses — uncomfortable but tolerable for most patients. Plantar fascia and Achilles insertion tend to be more sensitive. Tennis elbow and shoulder calcifications are usually well-tolerated. Intensity is increased as your tissue tolerates it.
A typical course is 3-6 sessions, spaced one week apart. Improvement often begins after the second or third session and continues for weeks after the final session as tissue remodeling completes.
What to Expect
Some discomfort during the session and a few hours after — typically resolves by the next day. Mild residual soreness for 24-48 hours is normal. Pain relief usually starts within 1-2 weeks. Tissue remodeling continues for several months after treatment completes, meaning final results often aren't fully evident until 3-6 months out.
For most chronic tendon conditions, this is dramatically faster than waiting for "it'll heal eventually" and dramatically more durable than cortisone.
The Cost Question
ESWT is generally not covered by insurance in the US — it's typically a cash-pay service. A full treatment series costs less than a single surgery and is comparable to the total out-of-pocket for several years of cortisone-and-PT cycles. The cost-benefit looks different when you compare apples to apples.
I make pricing transparent up front. Patients decide based on the actual investment, not surprise bills.
Why Shockwave Works Best Combined With Other Care
ESWT is powerful, but it's most effective when paired with a comprehensive plan. At my clinic we routinely combine shockwave with chiropractic adjustments, dry needling, gait and movement assessment, and corrective exercise. For systemic inflammation that may be slowing tissue healing, we add functional medicine support. The plantar fasciitis patient who's also iron-deficient and isn't sleeping well isn't going to heal as quickly as the patient whose systemic inputs are dialed in.
The Bigger Pattern
This is really an example of a broader principle: treatments that work fast often work by suppressing rather than healing. Treatments that work more slowly often work by stimulating actual repair. Both have a place, but for chronic conditions, structural healing is what produces durable results.
Why Blue Zone
I work with chronic tendon conditions regularly across The Woodlands, Spring, Magnolia, Tomball, and Conroe. The clinic uses ESWT inside a comprehensive care plan, not as a standalone modality.
The model is grounded in Blue Zones longevity principles — restoring tissue health, reducing chronic inflammation, and supporting nervous system regulation are core features, not optional extras.
If you've been cycling through cortisone shots for chronic tendon pain and you're ready for a different approach, our $99 new patient visit covers consultation, exam, and treatment planning. Call (281) 688-5580 or visit bluezonechiro.com.
