NCIt definition : Inflammation of the anatomical structures of the outer ear and ear canal secondary
to an infectious process. Bacterial etiology is most common, but fungal infection
is also possible. Symptoms include erythema, edema, and pain.;
Alternative definition : CTCAE: A disorder characterized by an infectious process involving the outer ear and
ear canal. Contributory factors include excessive water exposure (swimmer's ear infection)
and cuts in the ear canal. Symptoms include fullness, itching, swelling and marked
discomfort in the ear and ear drainage.; NICHD: Otitis externa that is caused by an infectious agent.; FDA: An infectious process involving the outer ear and ear canal.;