This page covers the clinical evaluation, evidence-based treatment options, and recovery timeline for platelet-rich plasma (prp) for foot and ankle conditions: does it work? at Balance Foot & Ankle in Michigan. For same-week appointments at our Howell or Bloomfield Hills offices, call (810) 206-1402.
Medically reviewed by Dr. Tom Biernacki, DPM · Board-Certified Podiatric Surgeon · Last reviewed: April 2026 · Editorial Policy
The most important clinical decision with Platelet Rich Plasma Foot isn’t which treatment to start with — it’s identifying the correct subtype. That changes everything. Call (810) 206-1402.
Related Conditions
In This Article
- What Is Platelet-Rich Plasma (PRP)?
- PRP for Plantar Fasciitis
- PRP for Achilles Tendinopathy
- Other Foot and Ankle Applications
- What to Expect: The PRP Process
- More Podiatrist-Recommended Foot Health Essentials
- Frequently Asked Questions
- Your Board-Certified Podiatrists
- Pros & Cons of Conservative Care for foot care
- Dr. Tom’s Recommended Products for foot care
- Dr. Tom’s Top 3 — The Premium Foot Pain Stack (2026)
Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.
What Is Platelet-Rich Plasma (PRP)?
Platelet-rich plasma (PRP) is a concentration of growth factors and cytokines derived from the patient’s own blood. Blood is drawn, processed in a centrifuge to separate and concentrate platelets (which contain numerous growth factors including PDGF, TGF-β, VEGF, and IGF), and the resulting platelet-rich fraction is injected into the target tissue. The goal is to stimulate and accelerate the body’s natural healing response in chronic injuries where normal healing has stalled. PRP is an autologous (self-derived) treatment—there is no risk of rejection or blood-borne disease transmission.
PRP has been used in orthopedic and sports medicine for two decades and has become an increasingly common treatment option for chronic tendon, ligament, and joint conditions. The evidence base has grown substantially, though it remains heterogeneous—results vary by condition, preparation method, platelet concentration, and injection technique. For foot and ankle conditions specifically, PRP has the strongest evidence for plantar fasciitis and moderate evidence for Achilles tendinopathy.
PRP for Plantar Fasciitis
Chronic plantar fasciitis that has failed conservative treatment for 3–6 months is the strongest indication for PRP in the foot. Multiple randomized controlled trials comparing PRP to corticosteroid injection have found that PRP produces superior long-term outcomes (at 6 and 12 months), while cortisone provides better short-term pain relief (at 4–6 weeks) but is associated with higher recurrence rates and risk of plantar fascia rupture with repeated injections. The distinction matters clinically: cortisone is appropriate for patients who need rapid relief and have not had multiple prior cortisone injections; PRP is preferable for patients who have already received cortisone, those with recurrent plantar fasciitis, and those who want durable rather than short-term relief.
PRP for plantar fasciitis is typically performed under ultrasound guidance, with the injection directed precisely into the area of fascial degeneration. Most protocols involve 1–3 injections spaced 4–6 weeks apart. Pain may temporarily worsen 2–5 days after injection (a normal inflammatory response) before improvement begins over 4–8 weeks. Patients are instructed to continue stretching and supportive footwear throughout the treatment course.
PRP for Achilles Tendinopathy
Achilles tendinopathy—particularly midportion tendinopathy that has failed eccentric exercise and conservative treatment—is another common indication for PRP. The evidence is more mixed than for plantar fasciitis: some high-quality trials show significant benefit over placebo, while others show no significant difference. Most evidence suggests PRP is superior to cortisone for Achilles tendinopathy (cortisone injection in the Achilles tendon carries a risk of tendon rupture and is generally avoided). PRP for Achilles is performed under ultrasound guidance, targeting the areas of tendon degeneration (neovascularization and hypoechoic regions on ultrasound).
Other Foot and Ankle Applications
PRP is also used for lateral ankle ligament laxity (attempting to stimulate ligament tightening as an alternative to surgery in mild instability), ankle osteoarthritis (intra-articular injection to reduce pain and improve function), osteochondral lesions of the talus (either standalone or as an adjunct to microfracture to enhance fibrocartilage formation), and plantar fascia rupture (to accelerate healing). Evidence for these applications is less established than for plantar fasciitis, but clinical experience and emerging literature support their use in selected patients who have failed standard conservative treatment.
What to Expect: The PRP Process
A PRP injection appointment takes approximately 30–45 minutes. Blood is drawn (typically 15–60 mL depending on the system), processed in a centrifuge for 10–15 minutes, and the platelet-rich layer separated. The injection site is cleaned and anesthetized if needed, and PRP is injected under ultrasound guidance. Post-injection soreness lasting 3–7 days is normal. Most patients begin noticing improvement at 4–8 weeks, with maximum benefit at 3–6 months. PRP is not covered by most insurance plans and is typically an out-of-pocket expense; costs range from $400–$1,500 per injection depending on the preparation system and provider.
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When to See a Podiatrist
If foot or ankle pain has been bothering you for more than a few weeks, home care alone may not be enough. Balance Foot & Ankle offers same-week appointments at our Howell and Bloomfield Hills clinics — no referral needed in most cases. Bring your current shoes and a short list of symptoms and we’ll build you a treatment plan in one visit.
Call Balance Foot & Ankle: (810) 206-1402 · Book online · Offices in Howell & Bloomfield Hills
Frequently Asked Questions
Is PRP better than cortisone for plantar fasciitis?
For long-term outcomes (6–12 months), multiple studies show PRP produces superior results compared to corticosteroid for chronic plantar fasciitis. However, cortisone provides faster short-term relief (improvement at 4–6 weeks vs. 8–12 weeks for PRP). The choice depends on the clinical situation. Cortisone is appropriate for: acute flares, patients who need rapid relief for an upcoming event, and first-time injection in patients who have not previously tried cortisone. PRP is preferable for: chronic plantar fasciitis (6+ months duration), cases that have relapsed after cortisone, patients who have already received multiple cortisone injections, and patients seeking durable rather than temporary relief. Cortisone carries risks with repeated injections (fat pad atrophy, plantar fascia rupture) that make PRP the better choice for recurrent cases.
How many PRP injections are needed for plantar fasciitis?
Most protocols use 1–3 PRP injections for plantar fasciitis, typically spaced 4–6 weeks apart. Many patients achieve satisfactory results with a single injection; a second injection is considered if improvement is partial but not complete after 6–8 weeks. The majority of randomized trials in plantar fasciitis used a single injection for the experimental group and demonstrated significant benefit, suggesting one injection is often sufficient. Some protocols with leukocyte-rich PRP (containing white blood cells along with platelets) use a series of three injections. Your podiatrist will assess your response after the first injection before recommending additional treatments.
Does PRP work for ankle arthritis?
PRP intra-articular injection for ankle osteoarthritis has shown promising results in case series and small trials, with reductions in pain and improvement in function lasting 6–12 months in some patients. The evidence is less reliable than for knee arthritis (where PRP has been more extensively studied), but the mechanism is similar—growth factors reducing synovial inflammation and potentially providing some chondroprotective effect. PRP is a reasonable option for ankle arthritis that has failed conservative management (orthotics, activity modification, physical therapy) and where the patient prefers to delay or avoid surgery. It does not reverse cartilage loss but can provide meaningful symptom relief. Repeat injections can be performed; most patients do not achieve permanent resolution but may achieve sustained improvement with periodic treatment.
Medical References & Sources
- PubMed Research — PRP for Plantar Fasciitis RCTs
- PubMed Research — PRP for Achilles Tendinopathy
- PubMed Research — PRP for Ankle Arthritis
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Dr. Tom Biernacki, DPM is a board-certified podiatric surgeon at Balance Foot & Ankle in Howell and Bloomfield Hills, Michigan. He provides ultrasound-guided PRP injection therapy for chronic plantar fasciitis, Achilles tendinopathy, and ankle conditions when conservative treatment has failed.
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Medically Reviewed by: Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists
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Pros & Cons of Conservative Care for foot care
Advantages
- ✓ Conservative care first
- ✓ Same-week appointments
- ✓ Multiple insurance accepted
Considerations
- ✗ Self-treatment can mask issues
- ✗ See a podiatrist if pain >2 weeks
Dr. Tom’s Recommended Products for foot care
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About Your Care Team at Balance Foot & Ankle
Dr. Tom Biernacki, DPM · Board-Certified Foot & Ankle Surgeon. Specializes in conservative-first care, minimally invasive bunion surgery, and complex reconstruction.
Dr. Carl Jay, DPM · Accepting new patients. Specializes in sports medicine, athletic injuries, and routine podiatric care.
Dr. Daria Gutkin, DPM, AACFAS · Accepting new patients. Specializes in surgical reconstruction and pediatric podiatry.
Locations: 4330 E Grand River Ave, Howell, MI 48843 · 43494 Woodward Ave Suite 208, Bloomfield Hills, MI 48302
Hours: Mon–Fri 8:00 AM – 5:00 PM · (810) 206-1402
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Dr. Tom Biernacki, DPM is a board-certified podiatrist + Amazon Associate. Picks shown are products he prescribes to patients at Balance Foot & Ankle Specialists. We earn a commission on qualifying purchases at no extra cost to you. All products independently tested + reviewed for 30+ days minimum. Last verified: April 28, 2026.
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In-Office Treatment at Balance Foot & Ankle
If home treatment isn’t providing relief for your foot and ankle 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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Frequently Asked Questions
When should I see a podiatrist?
See a podiatrist if: foot or ankle pain has lasted more than 2–4 weeks without improvement, you’re changing your gait to avoid pain, you have an open wound or sore that isn’t healing, you notice nail discoloration or thickening, you have diabetes and any foot concern, or pain is severe enough to wake you at night. Most foot conditions are easier and cheaper to treat early — what starts as a minor issue can become a surgical problem with months of delay.
What is the difference between a podiatrist and an orthopedic surgeon?
Podiatrists (DPM — Doctor of Podiatric Medicine) specialize exclusively in the foot, ankle, and lower leg. Orthopedic surgeons (MD/DO) have broader musculoskeletal training but variable foot/ankle subspecialization. For foot and ankle-specific problems, a podiatrist often has more focused training and experience. For injuries involving the leg above the ankle, complex pediatric cases, or multi-level reconstruction, orthopedic consultation may be appropriate. We frequently co-manage patients with orthopedic colleagues.
How do I know if my foot pain is serious?
Signs that warrant same-day or next-day evaluation: severe pain that appeared suddenly without clear cause, swelling, redness, and warmth that appeared suddenly (possible gout, infection, or Charcot fracture), an open wound that looks infected (redness spreading, pus, warmth), inability to bear weight, or any foot problem in a diabetic patient. Pain that’s been present for weeks and is stable is important but not an emergency — schedule within 1–2 weeks.
Can foot problems cause back and knee pain?
Yes — this is a kinetic chain effect. Abnormal foot mechanics (overpronation, supination, leg length discrepancy) cause compensatory changes in knee, hip, and lumbar alignment. Roughly 30% of patients presenting to our clinic with knee pain have a treatable foot-level biomechanical cause. Correcting foot mechanics with orthotics or appropriate footwear often provides significant knee and back relief. If you have chronic knee or back pain and haven’t had your foot mechanics evaluated, it’s worth a consult.
Are orthotics worth it?
For the right conditions, yes — custom orthotics are among the most cost-effective interventions in podiatry. They’re most effective for: plantar fasciitis, flat feet with secondary knee/back pain, leg length discrepancy, metatarsalgia, posterior tibial tendon dysfunction, and diabetic foot pressure management. Quality OTC orthotics ($35–60) resolve symptoms for 60% of patients with mild-to-moderate conditions. Custom orthotics are appropriate when OTC options have failed or when the biomechanical problem is complex. We cast custom orthotics in-office.
How do I choose the right running shoes?
Start with your foot type (flat, neutral, high arch) and running pattern (overpronator, neutral, supinator). Flat feet and overpronators do best in stability or motion-control shoes. Neutral feet do well in neutral-cushioned shoes. High arches need maximum cushioning with flexible soles. Always buy running shoes at the end of the day (foot swelling peaks then), get properly fitted by a specialist, and replace every 300–500 miles. If you’ve been injured repeatedly, a gait analysis can identify the mechanical flaw driving your injury pattern.
What is the difference between a sprain and a fracture?
A sprain is a ligament injury (the tissue connecting bones); a fracture is a break in the bone itself. Both can occur with the same trauma (ankle roll, fall). The old test — ‘if you can walk, it’s not broken’ — is wrong; many fractures are initially weight-bearable. Key differences: a fracture typically produces localized bone tenderness along the bone itself, while a sprain is tender over the ligament. X-ray is the standard to differentiate. High-grade sprains without proper treatment can be as disabling as fractures.
How do I prevent foot and ankle injuries?
The four most impactful prevention strategies: (1) Supportive, appropriately fitted footwear for your foot type and activity. (2) Gradual activity progression — the 10% rule (never increase weekly mileage or intensity by more than 10%). (3) Regular calf and ankle mobility work. (4) Strengthening the posterior tibial tendon, peroneals, and intrinsic foot muscles. Most overuse injuries are preventable; most acute injuries are not — but ankle sprain recurrence (60–70% without rehab) is prevented by balance and proprioception training.
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Dr. Tom Biernacki, DPM is a board-certified foot & ankle surgeon (ABFAS & ABPM) 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 made him one of the most-followed foot & ankle educators on YouTube.