Most long-running tendon pain is wear in the tendon, not active swelling. Tennis elbow, golfer's elbow, Achilles pain, rotator cuff pain and plantar fasciitis often follow this pattern. That is one reason steroid shots can give short relief without lasting change.
The Pur Health
PRFM Tendon Injections
Selphyl PRFM injections for tendon pain, from Dr. Sabeen Munib in Irvine.
What tendon pain usually is
What PRFM is
PRFM is platelet-rich fibrin matrix, made from your own blood with the Selphyl system. The fibrin holds the platelets in place, so they stay where they are injected longer than standard PRP.
Who it may help
- Tendon pain lasting months despite rest, bracing and physical therapy
- People who want to avoid repeated steroid injections
Who it is not for
- A full tendon tear that needs surgery
- Active infection, certain blood disorders, or some blood-thinning medications, until reviewed
Step 01
Assessment
Dr. Munib examines the tendon and reviews your history.
Step 02
Injection
One injection, sometimes a short series.
Step 03
Recovery
Soreness for a few days is consistent with the known effects of the treatment. Physical therapy alongside it matters as much as the injection.
Clinically informed by Sabeen Munib, MD|Last updated: October 2026
Things To Know
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