Why coordinated prep and rehab change PRP results Want better, longer-lasting results from PRP injections? According to the Cleveland Clinic , PRP is an autologous concentrate of your own platelets created by centrifuging a blood sample. A review on PubMed Central shows PRP releases growth factors that attract progenitor cells and stimulate collagen and new blood vessel growth. Because PRP triggers tissue repair, good preparation and a phased rehab plan improve results and reduce complications. Who is a good candidate and when PRP is likely to help. Necessary medical screening and simple lifestyle steps to take before injections. What to expect during the injection and in the first days of recovery. A phased rehab plan that pairs physical therapy with PRP for lasting strength and mobility. Which conditions and patients get the best PRP outcomes Wondering if PRP will help your knee or tendon pain? Multiple randomized trials and meta-analyses at PubMed Central show clear benefits for some conditions over others. Key knee OA reviews report superior pain relief and function at about six to twelve months compared with hyaluronic acid or steroid injections. Conditions with the strongest clinical support PRP works best where tissue healing and inflammation reduction matter most. It is not a one-size-fits-all fix. Knee osteoarthritis, especially mild to moderate disease, shows the most consistent short- to medium-term benefit. Chronic tendinopathies such as tennis elbow and Achilles tendinopathy often improve in pain and function. Patellar tendinopathy and chronic plantar fasciitis have favorable outcomes in many studies. Partial rotator cuff tears and some shoulder tendinopathies can respond well, with reduced pain and improved function. Patient traits that predict better or worse results Who you are matters as much as your diagnosis. Research summarizes key predictors of success. Younger, active patients with mild-to-moderate degeneration do best. One study found responder rates were highest for KL2 and KL3 and dropped for KL4. Read the degeneration data Lower degeneration grade (Kellgren-Lawrence 1–3) predicts better outcomes; bone-on-bone disease (KL4) fares worse. Lower BMI is helpful; BMI above 30 is less optimal, and very high BMI often predicts poorer results. Non-smokers tend to respond better because smoking impairs blood flow and healing. Fewer serious comorbidities and not taking medications that blunt healing support better results. If you want a deeper look at knee injection choices and how rehab pairs with PRP, see our detailed guide. PRP vs Hyaluronic Acid for Knee Pain Safety Checks and Practical Steps to Prepare for PRP Worried about safety or whether PRP will actually help you? A proper medical screen keeps you safe and improves the odds of a good result. Research summarized on PubMed shows that reviewing blood health, infections, medications, and active illnesses is essential before any PRP injection. Key medical screens your clinician will run We start with a thorough history and focused exam to flag absolute or relative contraindications. Check blood counts including platelets and hemoglobin because low platelets or anemia can make PRP unsafe or ineffective. Review current medications and blood thinners since anticoagulants and antiplatelet drugs raise bleeding risk and blunt platelet function. Screen for active local or systemic infection such as fever or recent dental infection because infections require postponing PRP. Ask about cancer, autoimmune disease, pregnancy, and severe liver or cardiovascular disease, which often change the risk–benefit balance. Practical pre-PRP steps you can take 1 to 14 days before Follow these steps to improve your PRP quality and reduce complications. Always check with your prescribing physician before stopping any heart or blood thinner medication. Pause NSAIDs such as ibuprofen or naproxen about 5 to 14 days before the procedure to let platelet function recover. Discuss stopping anticoagulants like warfarin or DOACs with the doctor who prescribes them because timing varies by medication and risk. Avoid corticosteroid injections near the treatment site for at least two months and avoid systemic steroids for about one month when possible. Stay well hydrated and eat a balanced diet with iron, vitamin C, and B12 to support blood draw quality and platelet function. Stop alcohol 24 to 72 hours before the appointment and try to stop smoking for days to weeks before treatment because both impair healing. Hold supplements that increase bleeding or affect platelets for about one week. Common ones include high-dose fish oil, vitamin E, turmeric, nattokinase, bromelain, and garlic. Limit heavy activity involving the treated area for 24 to 48 hours before the injection. Ask your provider whether brief high-intensity exercise before the blood draw is right for you. We recommend bringing a complete medication and supplement list to your visit so we can run targeted labs an