Therapeutic plasma exchange (TPE) may involve complications. We aimed to review the demographic data, indications, technical information, and complications. Data for TPE procedures (TPEPs) performed between 2004 and 2018 were retrospectively. This study covered 2505 TPEPs performed on 338 patients; 55% of them were female (n = 186), and the median age was 36 years (range, 11-93 years). Most TPEPs were administered for hematological (40.6%) indications. The incidence of complications on the first procedure was 3.2% (n = 80); only 16 procedures (0.6%) were failed. The complication incidence was 19.8% (n = 497), with 789 total complications. Most of the complications were patient-related (90.4%), and the most of them were urticaria (29.1%), occlusion (3.2%), and faulty systems (1.01%), respectively. The use of only fresh frozen plasma as replacement fluid caused a higher complication rate (22.1%, p < 0.01). The number of TPEPs is increasing every day. Hematologic indications for TPE and the use of fresh frozen plasma may increase the risk of complications.