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Osteoarthritis (OA) management focuses on alleviating pain, improving joint function, and slowing disease progression, as there is currently no cure for the condition. Optimal treatment typically involves a combination of non-pharmacological(lifestyle), pharmacological (medication), and, if necessary, surgical interventions.
1. Non-Pharmacological Strategies (First-Line)
These are considered the “cornerstone” of therapy and should be implemented for all patients.
- Exercise: Regular, low-impact activity is the most important treatment.
- Aerobic: Walking, swimming, or cycling to improve cardiovascular health.
- Strengthening: Focus on muscles surrounding the joint (e.g., quadriceps for knee OA) to reduce joint load.
- Flexibility & Balance: Tai chi and yoga help maintain range of motion and prevent falls.
- Weight Management: Losing even 5–10% of body weight significantly reduces pressure on weight-bearing joints like knees and hips.
- Supportive Devices: Canes, walkers, knee braces (e.g., unloader braces), and orthotic shoe inserts help redistribute weight.
- Self-Care: Using heat to relax muscles and ice to reduce swelling.
2. Pharmacological Treatments
Used to manage symptoms when lifestyle changes are insufficient.
- Topical Agents: Creams or gels containing NSAIDs (e.g., diclofenac) or capsaicin are often recommended first for knees and hands due to fewer systemic side effects.
- Oral Medications:
- NSAIDs: (e.g., ibuprofen, naproxen) are the most effective oral options for pain and inflammation but carry risks for the stomach, heart, and kidneys.
- Acetaminophen: Often suggested for mild pain, though recent guidelines have downgraded its effectiveness compared to NSAIDs.
- Duloxetine: An antidepressant also approved for treating chronic OA pain.
- Injections:
- Corticosteroids: Provide short-term (weeks to months) relief for flares.
- Hyaluronic Acid: Helps lubricate the joint; evidence for its effectiveness is mixed.
3. Surgical Options
Considered when conservative treatments fail and quality of life is severely impacted.
- Joint Replacement (Arthroplasty): Replacing the damaged joint with metal and plastic parts. Most common for hips and knees.
- Osteotomy: Realigning bones to shift weight away from the damaged area, often used for younger patients to delay replacement.
- Joint Fusion (Arthrodesis): Permanently joining bones; typically used for ankles or fingers when replacement is not viable.
Note: Supplements like glucosamine and chondroitin have mixed evidence; some guidelines recommend against them, while others suggest they may help some individuals with moderate-to-severe knee OA.