“…Patients between the ages of 18 and 89 years were eligible if they were undergoing 1 of the following qualifying surgical procedures: thyroidectomy, parathyroidectomy, functional endoscopic sinus surgery (FESS), septoplasty, septorhinoplasty, tympanoplasty, and endolaryngeal procedures requiring general anesthesia and microsuspension direct laryngoscopy. Tonsillectomy was not included, because it has been extensively evaluated 12,13 . Patients were excluded if they could not consent for themselves, were admitted overnight following surgery, were allergic to ibuprofen or hydrocodone / acetaminophen (APAP), or could not take it for other medical reasons.…”