Diclofenac Dosing and Safety Recommendations
Condition-Specific Dosing
- For Chronic Non-Bacterial Osteitis (CNO), the American College of Rheumatology recommends starting with a maximum tolerated and approved dosage for 2-4 weeks, with a recommended dosage of 150 mg/day in divided doses, and evaluating treatment response after 2-4 weeks 1
- For Acute Ankle Sprains, the British Journal of Sports Medicine suggests that short-term use (<14 days) of diclofenac is effective for pain reduction, with superior results at days 1 and 2 compared with piroxicam and ibuprofen for reducing pain during motion 2, 3, 4
Formulation Considerations
- The British Journal of Sports Medicine and the Journal of the American Academy of Dermatology note that different formulations of diclofenac are not bioequivalent, even at the same milligram strength, and that topical preparations such as gel and patch are available 2, 8
Safety Considerations
- The BMJ recommends considering gastroprotective agents (H2 blockers, misoprostol, proton pump inhibitors) in high-risk patients to minimize gastrointestinal complications, which are the most frequent adverse effects of diclofenac 7, 9
- The British Journal of Sports Medicine warns that NSAIDs, including diclofenac, may delay natural healing processes as the inflammation suppressed is a necessary component of tissue recovery 3