Investigations for acute inflammatory oligoarthritis in adults

For detailed advice on the utility of investigations, see Investigations for musculoskeletal symptoms in adults. The investigations performed will depend on the most likely diagnosis.

If septic arthritis presenting as an oligoarthritis is strongly suspected, investigate according to Investigations for acute inflammatory monoarthritis in adults. Refer also to the specific topic on Septic arthritis.

If an inflammatory spondyloarthritis (eg axial spondyloarthritis, psoriatic arthritis) is strongly suspected, see the relevant investigations in the specific topics.