After ethical approval, patients who met inclusion criteria were enrolled after obtaining written consent from their parents. Using computer-related random numbers, patients were allocated in two groups of 30: Group A Included 30 participants and received Bupivacaine alone. A 22G cannula was used to perform a caudal block in the left lateral position under sterile conditions following the induction of anesthesia and before the surgery. The attending physician recorded postoperative pain every two hours using the Wong-Baker Faces Pain Scale. Intravenous Paracetamol (10 mg/kg/dose) was given as rescue analgesia if the patient reported a pain score of ≥4, and the duration of the administration was recorded. Structured proforma were used to record all pertinent data.

After ethical approval, patients who met inclusion criteria were enrolled after obtaining written consent from their parents. Using computer-related random numbers, patients were allocated in two groups of 30: Group B Included 30 participants and received Bupivacaine alone. A 22G cannula was used to perform a caudal block in the left lateral position under sterile conditions following the induction of anesthesia and before the surgery. The attending physician recorded postoperative pain every two hours using the Wong-Baker Faces Pain Scale. Intravenous Paracetamol (10 mg/kg/dose) was given as rescue analgesia if the patient reported a pain score of ≥4, and the duration of the administration was recorded. Structured proforma were used to record all pertinent data.

A 22G cannula was used to perform a caudal block in the left lateral position under sterile conditions following the induction of anesthesia and before the surgery. 30 participants had received 1 mL/kg 0.25% bupivacaine. Post operative pain was assessed.

In both groups the attending physician recorded postoperative pain every two hours using the Wong-Baker Faces Pain Scale. Intravenous Paracetamol (10 mg/kg/dose) was given as rescue analgesia if the patient reported a pain score of ≥4, and the duration of the administration was recorded. Structured proforma were used to record all pertinent data.