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Glossary term
PRP
Also known as Platelet-rich plasma
Platelet-rich plasma. Autologous blood concentrate injected into tendons, joints, or scalp.
Platelet-rich plasma is prepared by centrifuging a patient's own blood to concentrate platelets 3-7x baseline, then injecting the resulting plasma into the target tissue. The evidence base is strongest for knee osteoarthritis, rotator-cuff tendinopathy, and androgenetic alopecia. Response is mechanical and regenerative, not pharmacologic. PRP is out-of-pocket in most cases and is offered as a clinic-based procedure rather than a home protocol.
- Symbol
- PRP
Medically reviewed byDr. Lena Okafor, MD
Medical Director - updated April 2026How we review
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