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BACKGROUND Caudal block is widely regarded as the top choice for multimodal analgesia in children undergoing urological surgeries, particularly circumcision. This study investigates the efficacy of caudal block and the necessity of rescue analgesia in circumcision surgeries. MATERIAL AND METHODS A prospective, single-blind study was conducted at Ordu University Training and Research Hospital from December 1, 2022, to July 1, 2023. The study randomly divided ASA class I-II children aged 1-12 years into 3 groups for circumcision surgery. Group C received only caudal block. Group CP received caudal block with 10 mg/kg intravenous paracetamol. Group CM received caudal block with 1 mg/kg intravenous meperidine. In each case, a caudal block was administered using 0.5 ml/kg of 0.125% bupivacaine under ultrasound guidance. The primary outcome of the study was total analgesic consumption; the secondary outcomes were pain scores and time to first analgesic administration. Pain severity was evaluated using FLACC and Wong-Baker scores at 0, 1, 4, and 24 h. RESULTS A total of 120 patients, 40 patients in each group, were included in the study. A significant difference was detected among all 3 groups in the Wong-Baker pain score (24th hour) (P<0.001). The FLACC and Wong-Baker pain scores did not differ significantly in the other time frames. The time of the first rescue analgesia and the total amount of analgesic taken in the first 24 h were the same for both groups (P=0.408 and P=0.238). CONCLUSIONS The addition of paracetamol or meperidine to caudal block does not enhance the quality of analgesia.