Intravenous Lidocaine for Post-Tonsillectomy Pain in Pediatric Patients

Inclusion Criteria: * Scheduled for Tonsillectomy (with or without Adenoidectomy) with Dr. Kathleen Billings or Dr. Stephen Hoff at Lurie Children's Hospital * American Society of Anesthesiology (ASA) patient classification I-III (Healthy patient to a patient with mild systemic disease) Exclusion Criteria: * Physical or developmental delays * Psychiatric illness * Current use of sedative or anticonvulsant medications * Pre-existing renal disease (ranging from stage 2 \[mild\] to stage 5 \[end stage\]) * Pre-existing cardiovascular disease (including, not limited to congenital heart disease or arrythmia) * Pre-existing liver disease * Pre-existing cerebral or neuromuscular disease * Patient or family history of Malignant Hyperthermia * Recent history of upper respiratory infection within last 7 days * Regular use of analgesic medication * Diagnosis of severe obstructive sleep apnea requiring overnight stay for observation * Other procedure scheduled in addition to tonsillectomy * History of allergies to local anesthetics