Treatment of Lateral Epicondylitis
The recommended first-line treatment for lateral epicondylitis consists of relative rest, cryotherapy (melting ice water through a wet towel for 10-minute periods), and eccentric strengthening exercises, with NSAIDs reserved for short-term pain relief only. 1
Conservative Management Algorithm
Initial Treatment (First 3-6 Months)
Core interventions that should be implemented immediately:
- Relative rest: Reduce repetitive wrist extension and gripping activities that load the damaged extensor carpi radialis brevis tendon 1
- Cryotherapy: Apply melting ice water through a wet towel for 10-minute periods repeatedly for acute pain relief 1
- Eccentric strengthening exercises: This is the most evidence-based intervention that may actually reverse degenerative tendon changes 1
Adjunctive Pain Management
For short-term pain control (not long-term outcomes):
- NSAIDs: Effective for acute pain relief but provide no benefit for long-term outcomes 1. Topical NSAIDs may have fewer systemic side effects 1
- Corticosteroid injections: More effective than oral NSAIDs for acute-phase pain relief but do NOT alter long-term outcomes 1. Use with caution given lack of long-term benefit 2
Important caveat: While corticosteroids provide superior short-term pain relief (< 2 months) compared to other injections 3, they offer no long-term advantage and may cause skin atrophy and whitening 4
Emerging Evidence on Injections
Recent high-quality research shows divergent findings:
- Platelet-rich plasma (PRP): Provides significantly better long-term pain relief (>6 months) and functional improvement compared to corticosteroids 3, though short-term results favor corticosteroids
- Dry needling: More effective than corticosteroid injection at 6 months follow-up with fewer adverse effects (2% vs 7.6%) 4
Interventions with Uncertain or No Benefit
The evidence does NOT support routine use of:
- Orthotics/braces: No definitive conclusions can be drawn 1
- Extracorporeal shock wave therapy: Mixed benefit, expensive 1
- Therapeutic ultrasonography: Uncertain benefit 1
- Corticosteroid iontophoresis: Uncertain benefit 1
Physical Therapy Considerations
Electrophysiotherapy and physical therapy are superior to placebo for improving pain and function 5. Specifically:
- Electrophysiotherapy improved pain scores by mean difference of -10.0 and functional scores significantly 5
- Physical therapy improved pain by mean difference of -6.0 5
- Both showed statistically and clinically meaningful improvements 5
However, injections did not improve outcome measures and carried higher adverse effects 5
Surgical Referral
Surgery should be reserved for patients who fail 3-6 months of well-managed conservative therapy 1. Surgical techniques typically involve excision of abnormal tendon tissue and longitudinal tenotomies to release scarring and fibrosis 1.
Natural History Context
Critical point: Lateral epicondylitis is self-limited in approximately 80-90% of cases, with full recovery within 3-6 months to 12-18 months without treatment 1, 2, 6. This natural history must inform treatment decisions—avoid aggressive interventions that carry risks without proven long-term benefit over the natural course.
Common Pitfalls to Avoid
Over-reliance on corticosteroid injections: While tempting for quick pain relief, they provide no long-term benefit and may cause local tissue complications 1, 4
Neglecting eccentric exercises: This is the only intervention with evidence for reversing degenerative changes, yet often overlooked 1
Premature surgical referral: Given the excellent natural history, surgery before 3-6 months of conservative treatment is premature 1
Using NSAIDs long-term: These provide short-term pain relief only and should not be continued expecting disease modification 1