What are the recommended management steps for osteoarthritis?

Management of Osteoarthritis

All patients with osteoarthritis should receive a multicomponent treatment plan starting with exercise, education, and weight management (if overweight/obese), followed by topical NSAIDs for knee OA or oral NSAIDs for hip/knee OA, with intra-articular corticosteroid injections reserved for inadequate response. 1

Core Non-Pharmacological Interventions (First-Line for All Patients)

Exercise Programs

• Structured land-based exercise is the cornerstone of OA management and should be offered to every patient with hip or knee OA. 1
• Exercise programs should include strength training, aerobic exercise, flexibility work, or neuromotor training (balance, coordination, tai chi, yoga) with adequate dosage and progression tailored to physical function. 1
• Delivery mode (individual vs. group, supervised vs. unsupervised, face-to-face vs. digital, land-based vs. aquatic) should be selected based on local availability and patient preference. 1
• Tai chi receives a strong recommendation specifically for knee OA. 1

Patient Education and Self-Management

• Information, education, and self-management strategies should be provided at initial presentation and reinforced at every subsequent clinical encounter. 1
• Self-efficacy and self-management programs receive strong recommendations. 1
• This is ranked as the highest priority for implementation among all recommendations. 1

Weight Management

• For patients with knee or hip OA who are overweight or obese, weight loss receives a strong recommendation. 1
• Patients should receive education on maintaining healthy weight plus active support to achieve and maintain weight loss. 1
• The combination of exercise and dietary weight management is particularly effective. 1

Pharmacological Management

Topical NSAIDs (First-Line Pharmacological Option for Knee OA)

• Topical NSAIDs receive a strong recommendation for knee OA and should be the first pharmacological option tried. 1, 2
• They have a favorable safety profile compared to oral NSAIDs, particularly for patients with gastrointestinal or cardiovascular comorbidities. 3

Oral NSAIDs

• Oral NSAIDs receive strong recommendations for both hip and knee OA when topical options are insufficient. 1, 4, 5
• For patients with gastrointestinal comorbidities, COX-2 inhibitors are strongly recommended, or traditional NSAIDs combined with proton pump inhibitors. 2
• For patients with cardiovascular comorbidities or frailty, oral NSAIDs should NOT be used. 2

Intra-Articular Corticosteroid Injections

• Intra-articular corticosteroid injections receive strong recommendations for knee OA. 1, 4
• They are appropriate when oral/topical NSAIDs provide inadequate relief. 1
• For hip OA, evidence is less consistent and recommendations are conditional. 2

Duloxetine and Tramadol

• Duloxetine receives a conditional recommendation for OA management. 1
• Tramadol receives a conditional recommendation but should be used cautiously. 1
• Oral and transdermal opioids are strongly NOT recommended (Level 5 recommendation). 2

Acetaminophen (Paracetamol)

• Acetaminophen receives only a conditional recommendation and is increasingly controversial due to concerns about efficacy and safety. 1, 3
• It is conditionally NOT recommended in more recent analyses. 2

Topical Capsaicin

• Topical capsaicin receives a conditional recommendation for knee OA. 1

Intra-Articular Hyaluronic Acid

• For knee OA, recommendations are inconsistent across guidelines. 4, 2
• For hip OA, hyaluronic acid injections are consistently recommended AGAINST. 4

Adjunctive Physical Modalities

Bracing and Assistive Devices

• Hand orthoses receive a strong recommendation for first carpometacarpal (CMC) joint OA. 1
• Tibiofemoral bracing receives a strong recommendation for tibiofemoral knee OA. 1
• Patellofemoral bracing receives a conditional recommendation for patellofemoral knee OA. 1
• Cane use receives a strong recommendation. 1
• Walking aids, appropriate footwear, and home/work adaptations should be considered to reduce pain and increase participation. 1

Other Modalities

• Acupuncture receives a conditional recommendation. 1
• Thermal modalities receive a conditional recommendation. 1
• Radiofrequency ablation receives a conditional recommendation for knee OA. 1
• Balance exercises, yoga, and cognitive behavioral therapy receive conditional recommendations. 1

Interventions NOT Recommended

Stem Cell Therapy

• Stem cell injections are consistently recommended AGAINST for both hip and knee OA. 4
• While one recent study showed some benefit in moderate OA (KL 2/3), benefits were attenuated in advanced disease (KL 4), and this remains outside guideline recommendations. 6

Arthroscopy

• Arthroscopy is consistently recommended AGAINST in higher-quality guidelines. 4

Treatment Algorithm

1. Initiate immediately for all patients: Exercise program + education/self-management + weight loss (if BMI ≥25)
2. Add if symptoms persist (knee OA): Topical NSAIDs
3. Add if symptoms persist (hip/knee OA): Oral NSAIDs (consider COX-2 inhibitors or NSAIDs + PPI for GI comorbidities; avoid entirely if cardiovascular disease or frailty)
4. Add if inadequate response: Intra-articular corticosteroid injections (knee > hip)
5. Consider adjunctive: Bracing (appropriate joint-specific type), assistive devices, duloxetine, tramadol (cautiously)
6. Consider complementary: Acupuncture, tai chi, yoga, cognitive behavioral therapy

Critical Pitfalls to Avoid

• Do not use acetaminophen as a first-line agent—it has questionable efficacy and safety concerns. 3, 2
• Do not prescribe opioids for OA—they are strongly not recommended. 2
• Do not offer arthroscopy for OA management. 4
• Do not use oral NSAIDs in patients with cardiovascular disease or frailty. 2
• Do not neglect non-pharmacological interventions—they form the foundation of OA management and should never be omitted. 1
• Do not provide education only at initial visit—reinforce self-management strategies at every clinical encounter. 1

Work-Related Considerations

• Patients with or at risk of work disability should receive timely advice on modifiable work-related factors and referral for expert vocational guidance when appropriate. 1

Behavior Change Support

• When lifestyle modifications are needed (physical activity, weight loss), employ behavior change techniques to improve adherence and outcomes. 1