This report examines the prescription patterns for medications specific to 3 musculoskeletal conditions: ankylosing spondylitis, psoriatic arthritis and juvenile arthritis. In 2016–17, 225,000 medications specific to the treatment of either ankylosing spondylitis or psoriatic arthritis were dispensed. Analysis of de-identified unit record PBS data produced an estimate of up to 5,400 children living with juvenile arthritis in 2016–17, who were prescribed medication from the PBS.