KnowraOtitis externaLinked fromLinked fromThe 6 pages that link to Otitis externa, each with the reason it gives.All 6Related 3Compared with 3Otitis mediaCompared with: Unlike otitis media, it affects the canal outside the eardrum.Acute otitis mediaCompared with: It causes ear pain too, but the infection is in the canal rather than the middle ear.Perforated eardrumCompared with: It affects the canal rather than requiring a break in the eardrum.