Knee care can begin with the simplest useful choice

Steady movement can make daily tasks easier

Stronger hip and knee muscles can support the joint while you walk and stand. A calm program builds slowly enough that soreness doesn’t keep flaring after every session. A physical therapist or your doctor can help set the pace.

If body weight is adding strain, losing some may make walking easier, but this isn’t a lecture or quick fix. Wearing a brace or using a cane can make certain tasks easier. Small gains count.

Medicines and shots have different jobs

A cream puts medicine near the sore spot, while less reaches the rest of your body than with a pill. Steroid shots may work sooner and for a shorter spell. A gel shot puts thick fluid into the knee, though reviews haven’t found much relief on average.

Your heart, kidneys, stomach, blood sugar and other medicines affect which care is safe. A doctor can review those matters before you add another medicine. It’s worth the time.

PRP uses a prepared part of your own blood

PRP means platelet-rich plasma. A small amount of blood is drawn and spun so more platelets collect together. That prepared blood is then put into your knee.

Some reports found relief after several months, while one careful trial found PRP and comparison saltwater worked about the same. PRP is often paid for directly, so you may ask what the full fee covers. You can also ask when the provider will check whether your knee feels better. Clear answers are welcome.

A clinic visit can help when home care isn't enough

Here, regenerative treatments means non-surgical care such as PRP, which uses prepared blood as described above. A doctor or other medical provider examines your knee before discussing whether that care may fit. Nothing is chosen in advance.

The clinic may call this joint preservation, meaning care considered while you still have your own knee and before surgery. These knee or hip surgery alternatives don’t replace an operation when one is needed. Surgery may still deserve a talk when soreness and lost movement are severe. You remain in charge.

Sources

1. The 2019 ACR/Arthritis Foundation OA guideline makes a STRONG recommendation for intra-articular glucocorticoid injection in knee OA, alongside strong recommendations for exercise, weight loss, self-management, tai chi, cane use, bracing and NSAIDs; intra-articular steroid injection for HAND OA is only conditionally recommended.

   Kolasinski SL, et al. — 2019 American College of Rheumatology/Arthritis Foundation Guideline for the Management of Osteoarthritis of the Hand, Hip, and Knee.. Arthritis Rheumatol, 2020. DOI: 10.1002/art.41142.

2. A 2021 JAMA review of hip and knee osteoarthritis places intra-articular steroid injections as providing SHORT-TERM pain relief within a management model whose cornerstones are exercise, weight loss if appropriate and education, complemented by topical or oral NSAIDs, with joint replacement reserved for advanced symptoms and structural damage.

   Katz JN, et al. — Diagnosis and Treatment of Hip and Knee Osteoarthritis: A Review.. JAMA, 2021. DOI: 10.1001/jama.2020.22171.

3. The 2015 Cochrane review of 27 trials (1,767 participants) found intra-articular corticosteroid better than sham for knee OA pain (SMD -0.40, 95% CI -0.58 to -0.22; NNTB 8), but the benefit decayed with time: moderate at 1-2 weeks, small at 13 weeks, and no evidence of any effect at 26 weeks. All outcomes were graded LOW quality.

   Jüni P, et al. — Intra-articular corticosteroid for knee osteoarthritis.. Cochrane Database Syst Rev, 2015. DOI: 10.1002/14651858.CD005328.pub3.

4. In a 2-year double-blind RCT of 140 patients with symptomatic knee OA and ultrasound synovitis, 40 mg intra-articular triamcinolone every 12 weeks produced significantly greater cartilage volume loss than saline (index compartment cartilage thickness change -0.21 mm vs -0.10 mm; between-group difference -0.11 mm, 95% CI -0.20 to -0.03) with no significant difference in knee pain.

   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.

5. The RESTORE randomized trial (288 participants, leukocyte-poor PRP, 3 weekly injections) found no significant difference from saline placebo at 12 months in knee pain (-2.1 vs -1.8 points; difference -0.4, 95% CI -0.9 to 0.2) or in medial tibial cartilage volume (-1.4% vs -1.2%), with 29 of 31 secondary outcomes also showing no between-group difference.

   Bennell KL, et al. — Effect of Intra-articular Platelet-Rich Plasma vs Placebo Injection on Pain and Medial Tibial Cartilage Volume in Patients With Knee Osteoarthritis: The RESTORE Randomized Clinical Trial.. JAMA, 2021. DOI: 10.1001/jama.2021.19415.

6. A 2025 network meta-analysis restricted to LARGE randomized trials (57 RCTs, 22,795 participants, 18 intra-articular interventions) found treatment effects were larger in the 35 high-risk-of-bias trials than in the 22 low/unclear-risk trials; excluding high-risk trials, triamcinolone had the highest probability of exceeding the minimal important difference at weeks 2 and 6, while hyaluronic acid had no effect on pain (SMD -0.04, 95% CrI -0.19 to 0.11) and higher odds of dropouts due to adverse events (OR 2.01) and serious adverse events (OR 1.86) than placebo.

   Pereira TV, et al. — Effectiveness and safety of intra-articular interventions for knee and hip osteoarthritis based on large randomized trials: A systematic review and network meta-analysis.. Osteoarthritis Cartilage, 2025. DOI: 10.1016/j.joca.2024.08.014.

7. In the 68-week STEP 9 trial, 407 participants with obesity (mean BMI 40.3) and moderate knee OA with at least moderate pain were randomized 2:1 to once-weekly semaglutide 2.4 mg or placebo alongside diet and activity counselling. Weight change was -13.7% vs -3.2%, and WOMAC pain improved -41.7 vs -27.5 points (both P<0.001). Gastrointestinal adverse events drove discontinuation in 6.7% vs 3.0%.

   Bliddal H, Bays H, Czernichow S, et al. — Once-Weekly Semaglutide in Persons with Obesity and Knee Osteoarthritis.. New England Journal of Medicine, 2024. DOI: 10.1056/NEJMoa2403664.

8. A 2026 systematic review and meta-analysis of eight sham-controlled RCTs (n=627) found genicular nerve ablation (radiofrequency or cryoneurolysis) reduced knee OA pain versus sham at 12 weeks (MD -1.65; 95% CI -2.57 to -0.74) and improved WOMAC function (MD -11.37), with high heterogeneity (I2 83-91%) and no serious adverse events reported. The population studied was patients INELIGIBLE for arthroplasty.

   Pain Medicine authors — Efficacy and safety of genicular nerve ablation techniques for knee osteoarthritis: a systematic review and meta-analysis of sham-controlled randomized trials.. Pain Medicine, 2026. DOI: 10.1093/pm/pnaf140.

9. A 2026 Cochrane review searching from 2010 to January 2025 found only ONE randomised trial (100 participants, Denmark) comparing knee arthroplasty with non-surgical treatment. Low-certainty evidence indicated TKA may reduce pain at one year by a clinically important margin (MD 17.60, 95% CI 8.25 to 26.95) and may improve function by an amount that might not be clinically important (MD 12.40), with probably no clinically important difference in health-related quality of life.

   Cochrane Musculoskeletal Group — Total and partial knee arthroplasty versus non-surgical interventions of the knee for moderate to severe osteoarthritis.. Cochrane Database of Systematic Reviews, 2026. DOI: 10.1002/14651858.CD015378.pub2.