What is another name commonly used for otitis externa?

Otitis externa, commonly known as swimmer's ear, refers to an inflammation or infection of the outer ear canal, which runs from the outside of the ear to the eardrum. This condition is often associated with water exposure, such as swimming, hence the name "swimmer's ear." It can be caused by bacteria, fungi, or irritation from water, and symptoms generally include itching, redness, and discharge from the ear.

The other options refer to different conditions: a middle ear infection, often referred to as otitis media, occurs in the middle ear and is not the same as otitis externa. Chronic ear infection does not specifically label the outer ear nor is it synonymous with otitis externa, as it could refer to recurring infections in various parts of the ear. Tinnitus describes a perception of noise or ringing in the ears and is not an infection at all. Understanding these distinctions helps clarify why swimmer's ear is the accurate term associated with otitis externa.