Inclusion Criteria | Exclusion Criteria |
---|---|
People with a new episode of non-traumatic knee pain | Contra-indication for NSAID or acetaminophen |
Age ≥ 45 years | Arthroplasty/osteotomy |
Comply with the clinical ACR criteria* | Already on NSAID or acetaminophen use^ |
Pain severity scale ≥ 2 on a 11-point numeric rating scale | Surgery or major trauma of affected knee in previous 6 months |
 | Oral corticosteroid use |
 | Myocardial infarction or stroke in previous 6 months |