Table 2. Antibiotic prophylaxis in otolaryngologic surgery.

When should it be used?	When should it not be used?
Endoscopic sinus surgery for chronic rhinosinusitis	Adenotonsillectomy
Nasal graft surgery	Insertion of transtympanic drainage tubes
Dacryocystorhinostomy	Endoscopic sphenopalatine artery ligation
Stapedotomy	Lymphadenectomy
Endoscopic surgery for closure of cerebrospinal fluid fistulae	Laryngeal microsurgery
Cochlear implants	Otoplasty
Total laryngectomy	Parotidectomy
Mastoidectomy	Ossicular reconstruction
Repair of septal defects	Primary septorhinoplasty
Resection of nasal tumors by an external approach	Septoplasty
Review septorhinoplasty	Resection of the submandibular glands
Uvulopalatopharyngoplasty	Tympanoplasty