Overview Tramadol Infiltration for Tonsillectomy Status: Withdrawn Trial end date: 2014-10-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the analgesic effect and IL-6 after tramadol infiltration or intravenous for tonsillectomy. Phase: N/A Details Lead Sponsor: Federal University of São PauloTreatments: AnalgesicsPharmaceutical SolutionsTramadol