Infectious Otitis Externa

**Semantic type:** Disease or Syndrome

**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.

**Synonyms:** - External Ear Infection - Otitis externa - Outer Ear Infection - Swimmer's Ear