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PRP Therapy for Sports Injuries: How It Works, Who It Helps, and What to Expect

Oct 13, 2026

Health and Fitness

PRP Therapy for Sports Injuries: How It Works, Who It Helps, and What to Expect
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You rested it, iced it, and stretched it. Weeks later, that elbow, knee, or shoulder still aches every time you play, lift, or run.

PRP therapy for sports injuries sits between conservative care and surgery. It is not a cure-all, and it does not suit every injury. But for the right person with a stubborn tendon or joint problem, it can be worth a serious look.

Knowing how it works, who it tends to help, and what recovery really looks like makes that decision easier.

What PRP Therapy Is and How It Works

PRP stands for platelet-rich plasma. It is made from a small sample of your own blood, drawn from your arm much like a routine lab test.

That blood is spun in a centrifuge to concentrate the platelets, which carry growth factors involved in tissue repair. The concentrate is then injected into the injured area, with ultrasound guidance so it lands exactly where it is needed.

The goal is to support healing in slow-healing tissue, especially tendons, rather than simply mask pain. That is a key difference from steroid injections, which often ease pain faster in the first few weeks, while PRP is aimed at longer-term improvement.

Sports Injuries PRP May Help

PRP for tendonitis and other chronic tendon problems gets the most attention. It is most often considered for:

  • Elbow: tennis elbow and golfer's elbow from repetitive overuse
  • Knee: patellar tendon overuse injuries and mild to moderate arthritis, as part of broader knee pain care
  • Shoulder: rotator cuff tendinopathy, one common cause of shoulder pain
  • Foot and ankle: plantar fasciitis and other chronic tendon pain

PRP fits long-running problems, not fresh injuries. A new sprain, a fall, or sudden swelling needs an exam and often imaging first, which is where sports injury treatment and on-site X-ray come in.

What the Research Says (and Doesn't Say)

PRP research is promising but uneven, and results depend heavily on the condition being treated.

Condition

What the Research Suggests

Knee osteoarthritis

Results are mixed overall; some reviews support PRP as a conservative option for pain

Tennis elbow

Mixed; some trials and meta-analyses favor PRP, while an older review found it ineffective

Patellar tendinopathy

Repeat injections may ease long-term symptoms and speed return to sport

Rotator cuff tendinopathy

Mixed on function; some trials show better short-term pain relief than steroid injections

Outcomes also vary from person to person, which is why a proper evaluation matters more than any single study.

Who Is a Good Candidate for PRP

PRP may be a good fit if you:

  • Have a chronic tendon or mild to moderate joint problem that has not improved with conservative care
  • Want to avoid or delay surgery
  • Had only short-term relief from a steroid injection
  • Are willing to follow a rehab plan

PRP may not be right if you have:

  • An active infection near the injection site
  • Severe or end-stage joint damage
  • A blood or platelet disorder, or blood thinners that cannot be adjusted
  • Active cancer or chemotherapy, in most cases
  • Spinal or disc-related back pain, or a hip joint that needs an injection, since PRP is not currently offered for these

Who Is a Good Candidate for PRP

A consultation and medical review decide candidacy, so treat this list as a starting point, not a diagnosis.

What Happens at a PRP Visit

It starts with a consultation. Your provider reviews your history, your medications, and any imaging you already have, then decides whether PRP makes sense for your injury.

If it does, the visit is straightforward. Blood is drawn, processed, and injected under ultrasound guidance, all in one in-office appointment.

Is a PRP injection painful? Expect pressure and some discomfort during the injection, followed by soreness that usually settles within about a week. Your provider will explain what to expect for the area being treated.

Some people improve after one injection, while many do a series spaced several weeks apart. PRP is self-pay and not covered by insurance, so it helps to review the current PRP pricing first.

PRP Injection Recovery Time: What to Expect After a PRP Injection

How long does PRP take to work? Gradually. Most people notice improvement over several weeks, not days, and healing continues for up to 12 weeks.

Timeframe

What to Expect

Day of injection

Soreness, stiffness, or swelling is normal. Limit strenuous activity and avoid NSAIDs unless your provider says otherwise.

First week

Discomfort may continue for several days. Gentle movement is fine; avoid high-impact exercise.

Weeks 2-6

Gradual gains in pain and function are typical. Rehab exercises begin as recommended.

Up to 12 weeks

Healing continues. Return to full sport is guided by your provider.

Improvement is gradual, not immediate, and a sore first few days is a normal part of the process.

Risks and Side Effects

Because PRP uses your own blood, the chance of an allergic reaction is low. The most common effects are soreness, swelling, and bruising at the injection site, which typically fade within days.

Infection and bleeding are rare, as with any injection. Call your provider if redness, swelling, or pain keeps increasing after the first day or two instead of easing.

Tell your provider about every medication you take, including blood thinners and anti-inflammatories, before treatment. That review is part of why a consultation comes first, and it helps avoid complications or a weaker response to the injection.

Ask Whether PRP Is Right for Your Injury

PRP may help chronic sports injuries, the research is mixed, and a proper evaluation comes first. If an injury has lingered despite rest and rehab, it is worth asking whether PRP fits.

Request a consultation with MI Express Urgent & Primary Care to find out whether PRP is the right next step for your injury.

Frequently Asked Questions About PRP Therapy for Sports Injuries

1. How is PRP different from a cortisone injection?

Cortisone is a steroid that reduces inflammation and often eases pain quickly. PRP uses platelets from your own blood and aims to support tissue healing over time.

2. How many PRP injections will I need?

It depends on the injury. Some people improve after one injection, while others do a series of three to five, spaced several weeks apart.

3. When can I return to sports after PRP?

Light activity is usually fine right away, but avoid high-impact exercise for the first week. Full return depends on the injury, and healing continues for up to 12 weeks.

4. Can I take ibuprofen after a PRP injection?

Usually not at first. NSAIDs like ibuprofen and naproxen may interfere with healing, so avoid them unless your provider says otherwise.

5. Does insurance cover PRP therapy?

No. PRP is self-pay, and insurance is not accepted at this time. Current rates are on the PRP therapy page.

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