PRP injections are performed as an outpatient procedure. Because the patients blood must be drawn and prepared for injection, a typical procedure may take anywhere from 45 to 90 minutes.

An experienced physician should perform the injections. The use of imaging technology, such as ultrasound, may be used to ensure a safe and precise placement of the injection into the damaged tendon.

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The American Academy of Orthopaedic Surgeons recommends patients avoid or discontinue certain medications prior to injection:

In addition, patients are advised to drink plenty of fluids the day before the procedure. Some patients may require anti-anxiety medication immediately before the procedure.

The American Academy of Orthopaedic Surgeons does not advocate for or against platelet-rich plasma treatment.1

This is an in-office procedure that involves a blood draw, preparation of the PRP, and the injection:

The platelet-rich plasma typically stimulates a series of biological responses, including inflammation, so the injection site may be swollen and painful for about 3 to 5 days.

Platelet rich plasma injections may cause temporary inflammation, pain, and swelling. Patients are often advised to take it easy for a few days and avoid putting strain on the affected joint.

A doctor may recommend that a patient:

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If the patient does not have a physically demanding job, he or she can usually go back to work the next day. Patients can usually resume normal activities a few days after the injections, when swelling and pain decrease. Patients should not begin taking anti-inflammatory medications until approved by the doctor.

The patient will likely be prescribed post-injection physical therapy. A licensed physical therapist can teach the patient exercises that build and maintain joint strength and flexibility.

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Platelet-Rich Plasma Injection Procedure - Sports-health