Overview Acetaminophen's Efficacy For Post-operative Pain Status: Completed Trial end date: 2015-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to compare IV acetaminophen to oral acetaminophen for pain control in children undergoing tonsillectomy with or without adenoidectomy. Phase: Phase 4 Details Lead Sponsor: Kaveh Aslani, MDTreatments: Acetaminophen