Snapshot A 12-year-old boy presents to his pediatrician for ear pain. His ear pain began approximately 5 days ago and is associated with ear itching and mild hearing difficulty. His past medical history is unremarkable. He recently joined the swimming team of his school. Physical examination is notable for otalgia with palpation of the tragus and traction of the pinna. There is mild edema and swelling of the external auditory canal with poor visualization of the tympanic membrane. His ear is cleaned and is started on topical hydrocortisone and ciprofloxacin. Introduction Definition login to view 1 more bullet Epidemiology Incidence login to view 2 more bullets Risk factors login to view 1 more bullet Etiology Pseudomonas aeruginosa (most common) Staphylococcus aureus Pathogenesis login to view 4 more bullets Presentation Symptoms login to view 3 more bullets Physical exam login to view 1 more bullet Studies Making the diagnosis login to view 1 more bullet Differential Otomycosis login to view 2 more bullets Contact dermatitis login to view 2 more bullets Perichondritis login to view 3 more bullets Treatment Conservative login to view 6 more bullets Medical login to view 17 more bullets Complications Malignant otitis externa login to view 3 more bullets Language development delays login to view 1 more bullet