PRP for Foot and Ankle Pain: Can Platelet-Rich Plasma Help You Heal?

Persistent foot and ankle pain can be especially frustrating when rest, physical therapy, stretching, bracing, or shoe modifications haven’t provided enough relief. For certain chronic tendon, ligament, and inflammatory conditions, platelet-rich plasma (PRP) therapy may be another treatment option to consider.

Dr. Haydee Brown, an orthopedic surgeon and foot and ankle specialist at New York Bone & Joint Specialists, explains how PRP works, the foot and ankle conditions for which it may be considered, and how it differs from treatments such as cortisone injections.

What Is PRP?

PRP stands for platelet-rich plasma. It is a biologic treatment created using a patient’s own blood.

Platelets are components of the blood that contain growth factors. These growth factors can play a role in the body’s healing response and may help reduce inflammation and support soft-tissue healing.

Unlike a steroid injection, PRP is not a steroid or medication. Instead, it uses a concentrated component of the patient’s own blood as part of a regenerative orthopedic treatment approach.

How Is a PRP Injection Performed?

Before recommending PRP, your orthopedic specialist first needs to determine the cause of your symptoms. This can involve discussing your medical history, performing a physical examination, and reviewing appropriate imaging.

If you and your physician determine that PRP may be appropriate, the process begins with a blood draw performed in the office.

The blood is then placed into a special machine called a centrifuge, which spins the blood and allows the platelet-rich plasma to be isolated. The PRP is then collected into a syringe and injected into the area being treated.

The goal is to use the body’s own biologic healing mechanisms to support recovery in the affected tissue.

Why Can Foot and Ankle Injuries Be Difficult to Heal?

The foot and ankle present some unique healing challenges.

These structures carry your full body weight throughout everyday activities, and many tendons and ligaments have a relatively limited blood supply. There is also limited soft-tissue coverage in many areas of the foot and ankle.

For tissues that have difficulty healing on their own, PRP may help create a more favorable biologic environment while helping decrease chronic inflammation and support tendon and ligament healing.

What Foot and Ankle Conditions May Be Treated With PRP?

PRP is often considered for chronic or lingering conditions, particularly when more conservative treatments haven’t provided adequate relief.

One of the most common is plantar fasciitis, which often causes heel pain that is particularly noticeable with the first steps in the morning. When plantar fasciitis symptoms persist for several months despite conservative care, PRP may become part of the treatment discussion.

Other conditions for which PRP may be considered include Achilles tendinopathy, which can cause persistent pain at the back of the ankle; peroneal tendon irritation or tears, which can produce pain along the outer ankle; and certain chronic ankle sprains or partial ligament injuries.

PRP may also have a role in some patients with mild to moderate ankle arthritis, as well as certain post-traumatic or post-surgical inflammatory conditions.

PRP can even be used during certain surgical procedures to help augment the healing process.

When Is PRP Usually Considered?

PRP is generally not the first treatment used for foot or ankle pain.

Depending on the diagnosis, conservative treatment may include:

• Physical therapy
• Bracing
• Shoe modifications
• Stretching
• Activity modification and rest

When symptoms continue despite these approaches, a foot and ankle specialist may discuss whether PRP is appropriate.

Research into PRP continues to evolve. Evidence suggests PRP may be beneficial for certain chronic conditions, including chronic plantar fasciitis and Achilles tendinopathy, particularly when outcomes are evaluated over longer follow-up periods.

However, PRP is not a cure-all, and not every patient or condition will respond in the same way.

PRP vs. Cortisone: What’s the Difference?

PRP and corticosteroid injections work differently.

Cortisone injections are intended to reduce inflammation quickly and can provide effective short-term relief for appropriately selected conditions.

PRP works more gradually and is intended to support the longer-term health and healing environment of the affected tissue.

This distinction can be particularly important when treating tendons and ligaments, where repeated steroid injections may not be appropriate and can potentially create additional problems.

The right injection therefore depends on the condition being treated, the tissue involved, the patient’s history, and the overall treatment plan.

Who Is a Good Candidate for PRP?

Proper diagnosis and patient selection are critical.

The potential results of PRP can depend on several factors, including the specific diagnosis, severity and duration of the condition, tissue quality, activity level, alignment, and other individual patient factors.

For example, the demands placed on the foot and ankle of a relatively sedentary patient may be very different from those of a competitive athlete or someone training for a marathon.

That’s why PRP shouldn’t simply be viewed as an injection for anyone with foot or ankle pain. The first step is determining why you’re experiencing pain and whether PRP makes sense for that particular problem.

Is PRP Right for Your Foot or Ankle Pain?

PRP can be a valuable tool in foot and ankle care when it is used thoughtfully — for the right condition, in the right patient, at the right time.

If you’ve been struggling with persistent heel pain, Achilles tendon pain, chronic ankle pain, or another foot or ankle condition that hasn’t improved with conservative treatment, an orthopedic evaluation can help determine your diagnosis and whether PRP may have a role in your treatment plan.

Dr. Haydee Brown is an orthopedic surgeon and foot and ankle specialist at New York Bone & Joint Specialists.

To schedule an appointment with New York Bone & Joint Specialists, call 212-759-4553.

This article is intended for educational purposes and should not replace individualized medical evaluation, diagnosis, or treatment.