PRP and cortisone offer different kinds of relief

Cortisone may help sooner but wear off sooner

Cortisone can calm soreness over a shorter time. That may help you sleep and begin useful exercise.

It doesn’t rebuild a tendon or the smooth joint covering. Ask how relief could support motion, strength, or daily work.

One cortisone treatment differs from having it again. Tell the person examining you how long earlier relief lasted.

Cortisone can give soreness a short rest. That rest helps most when movement also becomes easier.

PRP takes longer to judge and results vary

Platelet-rich plasma (PRP) uses a small blood sample from your arm. The clinic spins that sample and keeps a platelet-rich portion.

Platelets are tiny blood pieces involved in clotting. The prepared portion then goes by the sore shoulder area.

Some studies found relief after the first weeks. Others found too little added relief for people to clearly notice.

The catch is that results didn’t always last. Ask when you’ll review the result and what activity limits apply.

PRP doesn’t close an untreated rotator cuff tear. It’s offered for possible relief and easier use, not new tissue.

Your daily needs decide which timing matters

Faster relief may matter when soreness blocks your sleep. A slower choice can fit when you understand the wait.

Cost belongs in the same talk. You’ll often pay the whole PRP bill yourself.

Insurance help for cortisone can differ. Ask for the full amount before you book either choice.

Include later visits and time away from daily tasks. Then decide which amount of relief justifies the cost.

Better sleep or easier reaching gives you something clear to judge. Broad promises don’t.

Sources

1. The evidence overview underpinning the 2020 EULAR recommendations on intra-articular therapies pooled 29 quality-appraised systematic reviews. Hyaluronic acid showed a small effect on pain and function in KNEE OA but not in hip OA or shoulder capsulitis; intra-articular glucocorticoid showed small effects in knee OA and on function in hip OA and shoulder capsulitis; PRP showed benefit in knee OA but NOT in hip OA, and mesenchymal stem cells behaved similarly. Overall conclusion: most intra-articular therapies exert SMALL effects and are well tolerated.

   Rodriguez-García SC, et al. — Efficacy and safety of intra-articular therapies in rheumatic and musculoskeletal diseases: an overview of systematic reviews.. RMD open, 2021. DOI: 10.1136/rmdopen-2021-001658.

2. In a 2-year RCT, intra-articular triamcinolone given every 12 weeks for knee OA produced significantly GREATER cartilage volume loss than saline, with no significant pain benefit. The most widely used joint injection in medicine is itself associated with structural harm on repeat dosing - relevant context when a clinic frames a biologic as 'the alternative to steroid shots'.

   McAlindon TE, et al. — Effect of Intra-articular Triamcinolone vs Saline on Knee Cartilage Volume and Pain in Patients With Knee Osteoarthritis: A Randomized Clinical Trial.. JAMA, 2017. DOI: 10.1001/jama.2017.5283.

3. The August 2025 AAOS Evidence-Based Clinical Practice Guideline on Management of Rotator Cuff Injuries issued 25 recommendations and 4 consensus statements. Among its updates it clearly RESTRICTS the use of platelet-rich plasma and marrow stimulation in rotator cuff repair, limits prolotherapy in full-thickness tears, establishes CT as an adjunctive imaging modality, and endorses early mobilization after repair of small-to-medium tears.

   Ye Y, et al. — [Interpretation of the 2025 American Academy of Orthopaedic Surgeons (AAOS) on Management of Rotator Cuff Injuries Evidence-Based Clinical Practice Guideline].. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2026. DOI: 10.7507/1002-1892.202511084.

4. A meta-analysis of nine randomized trials (n=629) in partial-thickness rotator cuff tears and tendinopathy found statistically significant SHORT-term (6 +/- 1 months) PRP effects on pain (MD -1.56), Constant-Murley (+16.48) and SPADI (-18.78), but NO long-term effect on pain or function except Constant-Murley - i.e. the benefit may not last.

   Xiang XN, et al. — Conservative treatment of partial-thickness rotator cuff tears and tendinopathy with platelet-rich plasma: A systematic review and meta-analysis.. Clin Rehabil, 2021. DOI: 10.1177/02692155211011944.

5. In the MOON Shoulder prospective cohort of 452 patients with symptomatic, ATRAUMATIC full-thickness rotator cuff tears, physical therapy succeeded in more than 70% of patients at 10 years: only 115 (27.0%) had surgery at any point over the decade. Patient-reported outcomes improved with physical therapy and did NOT decline over 10 years in those who never had surgery. The strongest predictor of early surgery was low patient expectation of physical therapy, not tear anatomy.

   Kuhn JE, et al. — The Predictors of Surgery for Symptomatic, Atraumatic Full-Thickness Rotator Cuff Tears Change Over Time: Ten-Year Outcomes of the MOON Shoulder Prospective Cohort.. J Bone Joint Surg Am, 2024. DOI: 10.2106/JBJS.23.00978.