Diseases

Platelet-Rich Plasma (PRP) for Dogs with Arthritis: Can Your Pet's Own Blood Help Their Joints?

What PRP is, how it's made, and an honest look at what the research shows.

Platelet-rich plasma uses your dog's own concentrated platelets to deliver growth factors into an arthritic joint. A veterinarian explains how PRP works, which patients may benefit, what the procedure involves, and what the evidence shows.

By Dr. Rene'7 min readAug 1, 2026Vet reviewed Aug 1, 2026
A vial of platelet-rich plasma being prepared in a centrifuge for a canine joint injection.

Quick answer

Platelet-rich plasma is made by spinning a small sample of your pet's own blood in a centrifuge to concentrate the platelets, which are rich in growth factors, then injecting that concentrate into the affected joint. PRP does not regrow cartilage or cure arthritis; the goal is reduced inflammation and better joint function. Evidence in dogs is promising but variable because preparation and technique differ between clinics. It is best used as one part of a comprehensive arthritis plan.

In this article you'll learn

  • How platelet-rich plasma is made from your pet's own blood
  • What growth factors may do inside an arthritic joint
  • Which dogs are most likely to benefit
  • What the PRP procedure and recovery involve
  • The risks and realistic expectations
  • What the current research does and doesn't prove

If you've been researching arthritis treatments online, you've probably come across Platelet-Rich Plasma (PRP).

Some people describe it as a regenerative therapy.

Others call it "natural healing."

And some advertisements make it sound like a miracle cure.

The reality, as is often the case in medicine, falls somewhere in the middle.

PRP is an exciting area of veterinary medicine, but it's important to understand both its potential benefits and its limitations.

What Is Platelet-Rich Plasma?

Platelet-Rich Plasma is created using your pet's own blood.

A small blood sample is collected and placed into a special centrifuge that spins the blood at high speed.

This process concentrates the platelets into a much smaller volume of plasma.

Those concentrated platelets contain numerous growth factors and signaling proteins that play important roles in tissue repair and healing.

The concentrated PRP is then injected into the affected joint or injured tissue.

Because the product comes from your own pet, allergic reactions are uncommon.

How Does PRP Work?

Scientists believe PRP works by delivering a high concentration of naturally occurring growth factors to an area of injury or chronic inflammation.

These growth factors may help:

  • Reduce inflammation.
  • Influence the healing environment within the joint.
  • Support repair of surrounding soft tissues.
  • Improve comfort.
  • Improve joint function.

It's important to understand that PRP does not regrow cartilage or cure arthritis.

Instead, the goal is to improve how the joint functions and reduce discomfort.

Which Pets May Benefit?

PRP may be considered for dogs with:

  • Mild to moderate osteoarthritis.
  • Hip dysplasia.
  • Elbow dysplasia.
  • Partial tendon or ligament injuries.
  • Sports-related orthopedic injuries.
  • Early degenerative joint disease.

It may also be used after certain orthopedic surgeries to support healing.

Cats have been studied much less extensively, so PRP is currently used far more commonly in dogs.

What Does the Research Say?

This is where it's important to separate excitement from evidence.

Several veterinary studies suggest that PRP may improve comfort and mobility in some dogs with osteoarthritis.

Many owners report improvements in:

  • Willingness to exercise.
  • Ease of standing.
  • Overall activity level.
  • Comfort during daily activities.

However, study results have been somewhat variable.

Different clinics prepare PRP differently, use different injection techniques, and treat different types of patients, making direct comparisons difficult.

Overall, the evidence is promising, but we still need larger, standardized studies to determine exactly which patients are most likely to benefit.

What Is the Procedure Like?

Most PRP treatments involve:

  • Collecting a blood sample.
  • Processing the sample in a centrifuge.
  • Preparing the concentrated plasma.
  • Injecting the PRP into the affected joint.

Many veterinarians recommend light sedation or anesthesia to ensure accurate joint placement and minimize stress for your pet.

Most dogs go home the same day.

Activity may be restricted for several days before gradually returning to normal.

Are There Risks?

Because PRP uses your pet's own blood, complications are generally uncommon.

Possible risks include:

  • Temporary soreness at the injection site.
  • Mild swelling.
  • Temporary worsening of lameness for a day or two.
  • Infection (rare with proper sterile technique).
  • Lack of improvement.

No medical procedure is completely without risk, but PRP is generally considered to have a favorable safety profile when performed appropriately.

My Perspective

Continue learning

PRP at a Glance

How it works

Uses concentrated platelets from your pet's own blood to deliver growth factors into an affected joint.

Best candidates

Dogs with mild to moderate arthritis, selected tendon or ligament injuries, and some patients recovering from orthopedic surgery.

Evidence

⭐⭐⭐⭐☆ (Promising, with a growing body of evidence, but more standardized studies are still needed.)

Typical cost

$$–$$$$ (Varies by region, clinic, number of joints treated, and whether sedation or anesthesia is required.)

Invasiveness

Moderate (Blood collection plus a joint injection, often performed with sedation.)

Dr. Rene's recommendation

A reasonable option for carefully selected patients, especially when combined with a comprehensive arthritis management plan—not as a stand-alone cure.

Frequently asked questions

Tags:PRPplatelet-rich plasmaregenerative medicinearthritisosteoarthritisjoint injectiondogs

Educational only. This article is not a substitute for veterinary care. If your pet is unwell, please contact your veterinarian.

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