what is an ear infection
Ear infection: Introduction. An ear infection is a common type of infection and is the result of an invasion of bacteria or viruses into the ear. An ear infection is a general term for several types of infections of the ears.The ear includes three areas: the outer ear, middle ear and inner ear.An ear infection of the outer ear canal is called otitis externa or swimmer's ear. An ear infection of the middle ear is called otitis media or middle ear infection.ar infection: An infection in the ear. The infection can have bacterial or viral origins. An ear infection is also known as otitis media and can cause pain, fever or even loss of hearing. Severe cases can lead to perforation of the eardrum.