This study aims to assess the coexistence of fibromyalgia syndrome (FMS) and impact of possible FMS on disease activity in patients with psoriatic arthritis (PsA) and rheumatoid arthritis (RA).
A total of 126 patients, aged 18-65 years old, who were being followed up with PsA (
FMS was detected in 26.5% of the patients with PsA and 17.7% of the patients with RA (
The patients with concomitant FMS had higher disease activity parameters (DAS28 and BASDAI) than those without FMS.