Tonsillectomy is one of the commonly performed surgical procedures in otolaryngology. Postoperative morbidity, including pain, bleeding, inadequate oral intake and dehydration can create problems. Pain after tonsillectomy still remains to be a frequent problem. In an effort to reduce post-tonsillectomy morbidity, numerous modifications and adjuncts to standard surgical technique have been proposed. Objective: To determine the effectiveness of 0.5% bupivacaine and 1/200000 adrenaline in post

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... illectomy pain using an intra-individual design. Methods: 47 patients aged 8-35 years were included in a prospective study, diagnosed clinically as chronic tonsillitis in Karama teaching hospital. Patients received a local infiltration of 0.5% bupivacaine and 1/200000 adrenaline solution on the right tonsillar bed, and received a local infiltration of normal saline on the left tonsillar bed as control, at the end of the operation in the theatre. Postoperative pain was assessed with a visual analog scale at 4,6,8,12,24 hours after the procedure. Result: According to visual analog scale results, the severity of pain was less in the site infiltrated with 0.5 bupivacaine and 1/200000 adrenaline than the site infiltrated the normal saline. Conclusion: local 0.5% bupivacaine and 1/200000 adrenaline infiltration in tonsillar bed can reduce post tonsillectomy pain.