We aimed to evaluate the characteristics of patients with inflammatory rheumatic disease (IRD) who received intravenous immunoglobulin G (IVIG) treatment, their organ involvement, and the characteristics of the IVIG treatment we gave. Patients aged >18 years who were followed up in a tertiary rheumatology clinic with a diagnosis of IRD, who received at least 1 course of IVIG treatment betwe en January 2014 and December 2022, were reviewed restrospectively from the hospital registration system. Of the 33 patients included in the study, 81.8% (n=27) were female. The mean age was 44.5±14.8 years. The most common disease groups for which IVIG therapy was used we re systemic lupus erythematosus (SLE) (n=13, 39.4%), idiopathic inflammatory myopathies (IIM) (n=8, 24.2%) and anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (n=6, 18.2%). The most common causes of IVIG treatment indication were hematological involvement (n= 9, 27.3%) and proximal resistant muscle weakness (n=8, 24.2%). Only 2 (6.1%) patients developed side effects. Partial response was observed in 48.5% (n=16) and complete response in 27.3% (n=9) of the patients. There was a decrease in the use of methotrexate, azathiopurine and cyclophosphamide after IVIG treatment (p values=0.022, 0.04, 0.03, respectively), while there was an increase in rituximab use, although there was no statistically significant difference. IVIG treatment seems to be a safe treatment in IRH patients, especially in refractory involvement in the course of diseases such as SLE, IIM and ANCA-associated vasculitis.