Suprazygomatic Maxillary Nerve Block in Pediatric Tonsillectomy

Participants will receive 15 mg/kg of Tylenol and 4 mg/kg of celecoxib (a nonsteroidal anti-inflammatory (NSAID drug) up to a maximum dose of 200 mg prior to the start of general anesthesia which will consist of gas or intravenous induction (2 mcg/kg fentanyl, 0.5 mg/kg dexamethasone). The SZMN block will be performed using 0.2 ml/kg of 0.25% ropivacaine (local anesthetic), up to a maximum dose of 5 mL. The surgery (tonsillectomy or adenotonsillectomy) will then proceed according to standard of care practices.

Participants will receive 15 mg/kg of Tylenol and 4 mg/kg of celecoxib (a nonsteroidal anti-inflammatory (NSAID drug) up to a maximum dose of 200 mg prior to the start of general anesthesia. which will consist of gas or intravenous induction (2 mcg/kg fentanyl, 0.5 mg/kg dexamethasone). The SZMN block will be performed using 0.2 ml/kg of saline (placebo) up to a maximum dose of 5 mL. The surgery (tonsillectomy or adenotonsillectomy) will then proceed according to standard of care practices.